We call kfree(data_buf) in the error handling and that will oops if this
is an error pointer.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
There are some patches that depends on media-v3.16-rc6.
So, merge back from upstream before applying them.
* linus/master: (1123 commits)
drm/nouveau: ltc/gf100-: fix cbc issues on certain boards
drm/bochs: add missing drm_connector_register call
drm/cirrus: add missing drm_connector_register call
staging: vt6655: buffer overflow in ioctl
USB: storage: Add quirks for Entrega/Xircom USB to SCSI converters
USB: storage: Add quirk for Ariston Technologies iConnect USB to SCSI adapter
USB: storage: Add quirk for Adaptec USBConnect 2000 USB-to-SCSI Adapter
USB: EHCI: unlink QHs even after the controller has stopped
[SCSI] fix for bidi use after free
[SCSI] fix regression that accidentally disabled block-based tcq
[SCSI] libiscsi: fix potential buffer overrun in __iscsi_conn_send_pdu
drm/radeon: Fix typo 'addr' -> 'entry' in rs400_gart_set_page
drm/nouveau/runpm: fix module unload
drm/radeon/px: fix module unload
vgaswitcheroo: add vga_switcheroo_fini_domain_pm_ops
drm/radeon: don't reset dma on r6xx-evergreen init
drm/radeon: don't reset sdma on CIK init
drm/radeon: don't reset dma on NI/SI init
drm/radeon/dpm: fix resume on mullins
drm/radeon: Disable HDP flush before every CS again for < r600
...
->u.generic_elem.len is a user controlled number between 0-255. We
should limit it to avoid memory corruption.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Fix an overwritten error return that can prevent deferred probing when
using of_iio_channel_get_by_name
* A series that deals with an incorrect reference count when the default
trigger is set within the main probe routine for a driver. Can result
in a double free if the trigger is changed.
* Fix a buglet with xilinx-xadc concerning setup of the address for an
aux channel.
* At91 adc driver could sometimes get a touchscreen reading rather than
the intended adc channel. This is fixed by using the channel data register
instead.
* Fix some ST magnetometer gain values that differ in production parts from
the prerelease ones used for driver development.
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Merge tag 'iio-fixes-3.17a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First round of IIO fixes for the 3.17 cycle.
* Fix an overwritten error return that can prevent deferred probing when
using of_iio_channel_get_by_name
* A series that deals with an incorrect reference count when the default
trigger is set within the main probe routine for a driver. Can result
in a double free if the trigger is changed.
* Fix a buglet with xilinx-xadc concerning setup of the address for an
aux channel.
* At91 adc driver could sometimes get a touchscreen reading rather than
the intended adc channel. This is fixed by using the channel data register
instead.
* Fix some ST magnetometer gain values that differ in production parts from
the prerelease ones used for driver development.
Pull vfs fixes from Al Viro:
"double iput() on failure exit in lustre, racy removal of spliced
dentries from ->s_anon in __d_materialise_dentry() plus a bunch of
assorted RCU pathwalk fixes"
The RCU pathwalk fixes end up fixing a couple of cases where we
incorrectly dropped out of RCU walking, due to incorrect initialization
and testing of the sequence locks in some corner cases. Since dropping
out of RCU walk mode forces the slow locked accesses, those corner cases
slowed down quite dramatically.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
be careful with nd->inode in path_init() and follow_dotdot_rcu()
don't bugger nd->seq on set_root_rcu() from follow_dotdot_rcu()
fix bogus read_seqretry() checks introduced in b37199e
move the call of __d_drop(anon) into __d_materialise_unique(dentry, anon)
[fix] lustre: d_make_root() does iput() on dentry allocation failure
According to the documentation sync_fence_create takes ownership of the point,
not a reference on the point.
This fixes a memory leak introduced in 3.17's android fence rework.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Cc: Colin Cross <ccross@google.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When trying to unbind imx-drm, the following oops was observed from
the imx-ldb driver:
Unable to handle kernel NULL pointer dereference at virtual address 0000001c
pgd = de954000
[0000001c] *pgd=2e92c831, *pte=00000000, *ppte=00000000
Internal error: Oops: 17 [#1] SMP ARM
Modules linked in: bnep rfcomm bluetooth nfsd exportfs hid_cypress brcmfmac brcmutil snd_soc_fsl_ssi snd_soc_fsl_spdif imx_pcm_fiq imx_pcm_dma imx_ldb(C) imx_thermal imx_sdma imx2_wdt snd_soc_sgtl5000 snd_soc_imx_sgtl5000 snd_soc_imx_spdif snd_soc_imx_audmux
CPU: 1 PID: 1228 Comm: bash Tainted: G C 3.16.0-rc2+ #1229
task: ea378d80 ti: de948000 task.ti: de948000
PC is at imx_ldb_unbind+0x1c/0x58 [imx_ldb]
LR is at component_unbind+0x38/0x70
pc : [<bf025068>] lr : [<c0353108>] psr: 200f0013
sp : de949da8 ip : de949dc0 fp : de949dbc
r10: e9a44b0c r9 : 00000000 r8 : de949f78
r7 : 00000012 r6 : e9b3f400 r5 : e9b133b8 r4 : e9b13010
r3 : 00000000 r2 : e9b3f400 r1 : ea9a0210 r0 : e9b13020
Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 10c53c7d Table: 2e95404a DAC: 00000015
Process bash (pid: 1228, stack limit = 0xde948240)
Stack: (0xde949da8 to 0xde94a000)
...
Backtrace:
[<bf02504c>] (imx_ldb_unbind [imx_ldb]) from [<c0353108>] (component_unbind+0x38/0x70)
[<c03530d0>] (component_unbind) from [<c03531d4>] (component_unbind_all+0x94/0xc8)
[<c0353140>] (component_unbind_all) from [<c04bc224>] (imx_drm_driver_unload+0x34/0x4c)
[<c04bc1f0>] (imx_drm_driver_unload) from [<c03394a4>] (drm_dev_unregister+0x2c/0xa0)
[<c0339478>] (drm_dev_unregister) from [<c0339f8c>] (drm_put_dev+0x30/0x6c)
[<c0339f5c>] (drm_put_dev) from [<c04bc1cc>] (imx_drm_unbind+0x14/0x18)
[<c04bc1b8>] (imx_drm_unbind) from [<c03530b4>] (component_master_del+0xbc/0xd8)
...
Code: e5904058 e2840010 e2845fea e59430a0 (e593301c)
---[ end trace 4f211c6dbbcd4963 ]---
This is caused by only having one channel out of the pair configured in
DT; the second channel remains uninitialised, but upon unbind, the
driver attempts to clean up both, thereby dereferencing a NULL pointer.
Avoid this by checking that the second channel is initialised.
Fixes: 1b3f767566 ("imx-drm: initialise drm components directly")
Cc: <stable@vger.kernel.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here are a bunch of fixes for the USB drivers for 3.17-rc3.
Also in here is the movement of the usbip driver out of staging, into
the "real" part of the kernel, it had to wait until after -rc1 to handle
the merge issues involved between the USB and staging trees. The code
is identical, just file movements there.
The USB fixes are all over the place, new device ids, xhci fixes for
reported issues and the usual gadget driver fixes as well. All have
been in linux-next for a while now.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are a bunch of fixes for the USB drivers for 3.17-rc3.
Also in here is the movement of the usbip driver out of staging, into
the "real" part of the kernel, it had to wait until after -rc1 to
handle the merge issues involved between the USB and staging trees.
The code is identical, just file movements there.
The USB fixes are all over the place, new device ids, xhci fixes for
reported issues and the usual gadget driver fixes as well. All have
been in linux-next for a while now"
* tag 'usb-3.17-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (46 commits)
USB: fix build error with CONFIG_PM_RUNTIME disabled
Revert "usb: ehci/ohci-exynos: Fix PHY getting sequence"
xhci: Disable streams on Via XHCI with device-id 0x3432
USB: serial: fix potential heap buffer overflow
USB: serial: fix potential stack buffer overflow
usb: ehci/ohci-exynos: Fix PHY getting sequence
usb: hub: Prevent hub autosuspend if usbcore.autosuspend is -1
USB: sisusb: add device id for Magic Control USB video
usb: dwc2: gadget: Set the default EP max packet value as 8 bytes
usb: ehci: using wIndex + 1 for hub port
USB: storage: add quirk for Newer Technology uSCSI SCSI-USB converter
MAINTAINERS: Add an entry for USB/IP driver
usbip: remove struct usb_device_id table
usbip: move usbip kernel code out of staging
usbip: move usbip userspace code out of staging
USB: whiteheat: Added bounds checking for bulk command response
usb: gadget: remove $(PWD) in ccflags-y
usb: pch_udc: usb gadget device support for Intel Quark X1000
usb: gadget: uvc: fix possible lockup in uvc gadget
usb: wusbcore: fix below build warning
...
This patch readded a call to iss_put_clocks(), with was removed
by changeset 1153be56a1, causing a compilation breakage.
This reverts commit d4b3264646.
This can result in wrong reference count for trigger device, call
iio_trigger_get to increment reference.
Refer to http://www.spinics.net/lists/linux-iio/msg13669.html for discussion
with Jonathan.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cc: Stable@vger.kernel.org
The stick is not recognized.
This dongle uses r8188eu but usb-id is missing.
3.16.0
Signed-off-by: Holger Paradies <retabell@gmx.de>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
At this point, USB/IP kernel code is fully functional
and can be moved out of staging.
Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
At this point, USB/IP userspace code is fully functional
and can be moved out of staging.
Signed-off-by: Valentina Manea <valentina.manea.m@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
It makes more sense to return PTR_ERR(iss->iss_ctrlclk) here. The
current code looks like an oversight in pasting the block just above
this one.
Signed-off-by: Vitaly Osipov <vitaly.osipov@gmail.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This driver is stable and doesn't contain any really serious
issue. Move it out of staging.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
remove dprintk() and replace it with dev_dbg() or pr_debug()
in order to use the common kernel coding style.
Signed-off-by: Martin Kepplinger <martink@posteo.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Memory allocated by kstrdup should be freed.
CC: Brian Swetland <swetland@google.com>
Acked-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Seunghun Lee <waydi1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix two reported bugs, caused by et131x_adapter->phydev->addr being accessed
before it is initialised, by:
- letting et131x_mii_write() take a phydev address, instead of using the one
stored in adapter by default. This is so et131x_mdio_write() can use it's own
addr value.
- removing implementation of et131x_mdio_reset(), as it's not needed.
- moving a call to et131x_disable_phy_coma() in et131x_pci_setup(), which uses
phydev->addr, until after the mdiobus has been registered.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=80751
Link: https://bugzilla.kernel.org/show_bug.cgi?id=77121
Cc: stable@vger.kernel.org
Signed-off-by: Mark Einon <mark.einon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The following patch fixes a build error on sparc32. I think it should go to
stable 3.16.
Remove a circular dependency on atomic.h header file which leads to compilation
failure on sparc32 as reported here:
http://kisskb.ellerman.id.au/kisskb/buildresult/11340509/
The specific dependency is as follows:
In file included from arch/sparc/include/asm/smp_32.h:24:0,
from arch/sparc/include/asm/smp.h:6,
from arch/sparc/include/asm/switch_to_32.h:4,
from arch/sparc/include/asm/switch_to.h:6,
from arch/sparc/include/asm/ptrace.h:84,
from arch/sparc/include/asm/processor_32.h:16,
from arch/sparc/include/asm/processor.h:6,
from arch/sparc/include/asm/barrier_32.h:4,
from arch/sparc/include/asm/barrier.h:6,
from arch/sparc/include/asm/atomic_32.h:17,
from arch/sparc/include/asm/atomic.h:6,
from drivers/staging/lustre/lustre/obdclass/class_obd.c:38
Signed-off-by: Pranith Kumar <bobby.prani@gmail.com>
CC: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Merge more incoming from Andrew Morton:
"Two new syscalls:
memfd_create in "shm: add memfd_create() syscall"
kexec_file_load in "kexec: implementation of new syscall kexec_file_load"
And:
- Most (all?) of the rest of MM
- Lots of the usual misc bits
- fs/autofs4
- drivers/rtc
- fs/nilfs
- procfs
- fork.c, exec.c
- more in lib/
- rapidio
- Janitorial work in filesystems: fs/ufs, fs/reiserfs, fs/adfs,
fs/cramfs, fs/romfs, fs/qnx6.
- initrd/initramfs work
- "file sealing" and the memfd_create() syscall, in tmpfs
- add pci_zalloc_consistent, use it in lots of places
- MAINTAINERS maintenance
- kexec feature work"
* emailed patches from Andrew Morton <akpm@linux-foundation.org: (193 commits)
MAINTAINERS: update nomadik patterns
MAINTAINERS: update usb/gadget patterns
MAINTAINERS: update DMA BUFFER SHARING patterns
kexec: verify the signature of signed PE bzImage
kexec: support kexec/kdump on EFI systems
kexec: support for kexec on panic using new system call
kexec-bzImage64: support for loading bzImage using 64bit entry
kexec: load and relocate purgatory at kernel load time
purgatory: core purgatory functionality
purgatory/sha256: provide implementation of sha256 in purgaotory context
kexec: implementation of new syscall kexec_file_load
kexec: new syscall kexec_file_load() declaration
kexec: make kexec_segment user buffer pointer a union
resource: provide new functions to walk through resources
kexec: use common function for kimage_normal_alloc() and kimage_crash_alloc()
kexec: move segment verification code in a separate function
kexec: rename unusebale_pages to unusable_pages
kernel: build bin2c based on config option CONFIG_BUILD_BIN2C
bin2c: move bin2c in scripts/basic
shm: wait for pins to be released when sealing
...
Pull DRM updates from Dave Airlie:
"Like all good pull reqs this ends with a revert, so it must mean we
tested it,
[ Ed. That's _one_ way of looking at it ]
This pull is missing nouveau, Ben has been stuck trying to track down
a very longstanding bug that revealed itself due to some other
changes. I've asked him to send you a direct pull request for nouveau
once he cleans things up. I'm away until Monday so don't want to
delay things, you can make a decision on that when he sends it, I have
my phone so I can ack things just not really merge much.
It has one trivial conflict with your tree in armada_drv.c, and also
the pull request contains some component changes that are already in
your tree, the base tree from Russell went via Greg's tree already,
but some stuff still shows up in here that doesn't when I merge my
tree into yours.
Otherwise all pretty standard graphics fare, one new driver and
changes all over the place.
New drivers:
- sti kms driver for STMicroelectronics chipsets stih416 and stih407.
core:
- lots of cleanups to the drm core
- DP MST helper code merged
- universal cursor planes.
- render nodes enabled by default
panel:
- better panel interfaces
- new panel support
- non-continuous cock advertising ability
ttm:
- shrinker fixes
i915:
- hopefully ditched UMS support
- runtime pm fixes
- psr tracking and locking - now enabled by default
- userptr fixes
- backlight brightness fixes
- MST support merged
- runtime PM for dpms
- primary planes locking fixes
- gen8 hw semaphore support
- fbc fixes
- runtime PM on SOix sleep state hw.
- mmio base page flipping
- lots of vlv/chv fixes.
- universal cursor planes
radeon:
- Hawaii fixes
- display scalar support for non-fixed mode displays
- new firmware format support
- dpm on more asics by default
- GPUVM improvements
- uncached and wc GTT buffers
- BOs > visible VRAM
exynos:
- i80 interface support
- module auto-loading
- ipp driver consolidated.
armada:
- irq handling in crtc layer only
- crtc renumbering
- add component support
- DT interaction changes.
tegra:
- load as module fixes
- eDP bpp and sync polarity fixed
- DSI non-continuous clock mode support
- better support for importing buffers from nouveau
msm:
- mdp5/adq8084 v1.3 hw enablement
- devicetree clk changse
- ifc6410 board working
tda998x:
- component support
- DT documentation update
vmwgfx:
- fix compat shader namespace"
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (551 commits)
Revert "drm: drop redundant drm_file->is_master"
drm/panel: simple: Use devm_gpiod_get_optional()
drm/dsi: Replace upcasting macro by function
drm/panel: ld9040: Replace upcasting macro by function
drm/exynos: dp: Modify driver to support drm_panel
drm/exynos: Move DP setup into commit()
drm/panel: simple: Add AUO B133HTN01 panel support
drm/panel: simple: Support delays in panel functions
drm/panel: simple: Add proper definition for prepare and unprepare
drm/panel: s6e8aa0: Add proper definition for prepare and unprepare
drm/panel: ld9040: Add proper definition for prepare and unprepare
drm/tegra: Add support for panel prepare and unprepare routines
drm/exynos: dsi: Add support for panel prepare and unprepare routines
drm/exynos: dpi: Add support for panel prepare and unprepare routines
drm/panel: simple: Add dummy prepare and unprepare routines
drm/panel: s6e8aa0: Add dummy prepare and unprepare routines
drm/panel: ld9040: Add dummy prepare and unprepare routines
drm/panel: Provide convenience wrapper for .get_modes()
drm/panel: add .prepare() and .unprepare() functions
drm/panel: simple: Remove simple-panel compatible
...
This reverts commit 48ba813701.
Thanks to Chris:
"drm_file->is_master is not synomous with having drm_file->master ==
drm_file->minor->master. This is because drm_file->master is the same
for all drm_files of the same generation and so when there is a master,
every drm_file believes itself to be the master. Confusion ensues and
things go pear shaped when one file is closed and there is no master
anymore."
Conflicts:
drivers/gpu/drm/drm_drv.c
drivers/gpu/drm/drm_stub.c
Merge incoming from Andrew Morton:
- Various misc things.
- arch/sh updates.
- Part of ocfs2. Review is slow.
- Slab updates.
- Most of -mm.
- printk updates.
- lib/ updates.
- checkpatch updates.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (226 commits)
checkpatch: update $declaration_macros, add uninitialized_var
checkpatch: warn on missing spaces in broken up quoted
checkpatch: fix false positives for --strict "space after cast" test
checkpatch: fix false positive MISSING_BREAK warnings with --file
checkpatch: add test for native c90 types in unusual order
checkpatch: add signed generic types
checkpatch: add short int to c variable types
checkpatch: add for_each tests to indentation and brace tests
checkpatch: fix brace style misuses of else and while
checkpatch: add --fix option for a couple OPEN_BRACE misuses
checkpatch: use the correct indentation for which()
checkpatch: add fix_insert_line and fix_delete_line helpers
checkpatch: add ability to insert and delete lines to patch/file
checkpatch: add an index variable for fixed lines
checkpatch: warn on break after goto or return with same tab indentation
checkpatch: emit a warning on file add/move/delete
checkpatch: add test for commit id formatting style in commit log
checkpatch: emit fewer kmalloc_array/kcalloc conversion warnings
checkpatch: improve "no space after cast" test
checkpatch: allow multiple const * types
...
This patch set consists of the usual driver updates (ufs, storvsc, pm8001
hpsa). It also has removal of the user space target driver code (everyone is
using LIO now), a partial PCI MSI-X update, more multi-queue updates,
conversion to 64 bit LUNs (so we could theoretically cope with any LUN
returned by a device) and placeholder support for the ZBC device type (Shingle
drives), plus an assortment of minor updates and bug fixes.
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This patch set consists of the usual driver updates (ufs, storvsc,
pm8001 hpsa). It also has removal of the user space target driver
code (everyone is using LIO now), a partial PCI MSI-X update, more
multi-queue updates, conversion to 64 bit LUNs (so we could
theoretically cope with any LUN returned by a device) and placeholder
support for the ZBC device type (Shingle drives), plus an assortment
of minor updates and bug fixes"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (143 commits)
scsi: do not issue SCSI RSOC command to Promise Vtrak E610f
vmw_pvscsi: Use pci_enable_msix_exact() instead of pci_enable_msix()
pm8001: Fix invalid return when request_irq() failed
lpfc: Remove superfluous call to pci_disable_msix()
isci: Use pci_enable_msix_exact() instead of pci_enable_msix()
bfa: Use pci_enable_msix_exact() instead of pci_enable_msix()
bfa: Cleanup bfad_setup_intr() function
bfa: Do not call pci_enable_msix() after it failed once
fnic: Use pci_enable_msix_exact() instead of pci_enable_msix()
scsi: use short driver name for per-driver cmd slab caches
scsi_debug: support scsi-mq, queues and locks
Drivers: add blist flags
scsi: ufs: fix endianness sparse warnings
scsi: ufs: make undeclared functions static
bnx2i: Update driver version to 2.7.10.1
pm8001: fix a memory leak in nvmd_resp
pm8001: fix update_flash
pm8001: fix a memory leak in flash_update
pm8001: Cleaning up uninitialized variables
pm8001: Fix to remove null pointer checks that could never happen
...
All other add functions for lists have the new item as first argument
and the position where it is added as second argument. This was changed
for no good reason in this function and makes using it unnecessary
confusing.
The name was changed to hlist_add_behind() to cause unconverted code to
generate a compile error instead of using the wrong parameter order.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Ken Helias <kenhelias@firemail.de>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> [intel driver bits]
Cc: Hugh Dickins <hughd@google.com>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently map_vm_area() takes (struct page *** pages) as third argument,
and after mapping, it moves (*pages) to point to (*pages +
nr_mappped_pages).
It looks like this kind of increment is useless to its caller these
days. The callers don't care about the increments and actually they're
trying to avoid this by passing another copy to map_vm_area().
The caller can always guarantee all the pages can be mapped into vm_area
as specified in first argument and the caller only cares about whether
map_vm_area() fails or not.
This patch cleans up the pointer movement in map_vm_area() and updates
its callers accordingly.
Signed-off-by: WANG Chao <chaowang@redhat.com>
Cc: Zhang Yanfei <zhangyanfei@cn.fujitsu.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Pull networking updates from David Miller:
"Highlights:
1) Steady transitioning of the BPF instructure to a generic spot so
all kernel subsystems can make use of it, from Alexei Starovoitov.
2) SFC driver supports busy polling, from Alexandre Rames.
3) Take advantage of hash table in UDP multicast delivery, from David
Held.
4) Lighten locking, in particular by getting rid of the LRU lists, in
inet frag handling. From Florian Westphal.
5) Add support for various RFC6458 control messages in SCTP, from
Geir Ola Vaagland.
6) Allow to filter bridge forwarding database dumps by device, from
Jamal Hadi Salim.
7) virtio-net also now supports busy polling, from Jason Wang.
8) Some low level optimization tweaks in pktgen from Jesper Dangaard
Brouer.
9) Add support for ipv6 address generation modes, so that userland
can have some input into the process. From Jiri Pirko.
10) Consolidate common TCP connection request code in ipv4 and ipv6,
from Octavian Purdila.
11) New ARP packet logger in netfilter, from Pablo Neira Ayuso.
12) Generic resizable RCU hash table, with intial users in netlink and
nftables. From Thomas Graf.
13) Maintain a name assignment type so that userspace can see where a
network device name came from (enumerated by kernel, assigned
explicitly by userspace, etc.) From Tom Gundersen.
14) Automatic flow label generation on transmit in ipv6, from Tom
Herbert.
15) New packet timestamping facilities from Willem de Bruijn, meant to
assist in measuring latencies going into/out-of the packet
scheduler, latency from TCP data transmission to ACK, etc"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1536 commits)
cxgb4 : Disable recursive mailbox commands when enabling vi
net: reduce USB network driver config options.
tg3: Modify tg3_tso_bug() to handle multiple TX rings
amd-xgbe: Perform phy connect/disconnect at dev open/stop
amd-xgbe: Use dma_set_mask_and_coherent to set DMA mask
net: sun4i-emac: fix memory leak on bad packet
sctp: fix possible seqlock seadlock in sctp_packet_transmit()
Revert "net: phy: Set the driver when registering an MDIO bus device"
cxgb4vf: Turn off SGE RX/TX Callback Timers and interrupts in PCI shutdown routine
team: Simplify return path of team_newlink
bridge: Update outdated comment on promiscuous mode
net-timestamp: ACK timestamp for bytestreams
net-timestamp: TCP timestamping
net-timestamp: SCHED timestamp on entering packet scheduler
net-timestamp: add key to disambiguate concurrent datagrams
net-timestamp: move timestamp flags out of sk_flags
net-timestamp: extend SCM_TIMESTAMPING ancillary data struct
cxgb4i : Move stray CPL definitions to cxgb4 driver
tcp: reduce spurious retransmits due to transient SACK reneging
qlcnic: Initialize dcbnl_ops before register_netdev
...
Pull media updates from Mauro Carvalho Chehab:
- removal of sn9c102. This device driver was replaced a long time ago
by gspca
- solo6x10 and go7007 webcam drivers moved from staging into
mainstream. They were waiting for an API to allow setting the image
detection matrix
- SDR drivers moved from staging into mainstream: sdr-msi3101 (renamed
as msi2500) and rtl2832
- added SDR driver for airspy
- added demux driver: si2165
- rework at several RC subsystem, making the code for RC-5 SZ variant
to be added at the standard RC5 decoder
- added decoder for the XMP IR protocol
- tuner driver moved from staging into mainstream: msi3101 (renamed as
msi001)
- added documentation for some additional SDR pixfmt
- some device tree bindings documented
- added support for exynos3250 at s5p-jpeg
- remove the obsolete, unmaintained and broken mx1_camera driver
- added support for remote controllers at au0828 driver
- added a RC driver: sunxi-cir
- several driver fixes, enhancements and cleanups.
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (455 commits)
[media] cx23885: fix UNSET/TUNER_ABSENT confusion
[media] coda: fix build error by making reset control optional
[media] radio-miropcm20: fix sparse NULL pointer warning
[media] MAINTAINERS: Update go7007 pattern
[media] MAINTAINERS: Update solo6x10 patterns
[media] media: atmel-isi: add primary DT support
[media] media: atmel-isi: convert the pdata from pointer to structure
[media] media: atmel-isi: add v4l2 async probe support
[media] rcar_vin: add devicetree support
[media] media: pxa_camera device-tree support
[media] media: mt9m111: add device-tree suppport
[media] soc_camera: add support for dt binding soc_camera drivers
[media] media: soc_camera: pxa_camera documentation device-tree support
[media] media: mt9m111: add device-tree documentation
[media] s5p-mfc: remove unnecessary calling to function video_devdata()
[media] s5p-jpeg: add chroma subsampling adjustment for Exynos3250
[media] s5p-jpeg: Prevent erroneous downscaling for Exynos3250 SoC
[media] s5p-jpeg: Assure proper crop rectangle initialization
[media] s5p-jpeg: fix g_selection op
[media] s5p-jpeg: Adjust jpeg_bound_align_image to Exynos3250 needs
...
The drm_file->is_master field is redundant as it's equivalent to:
drm_file->master && drm_file->master == drm_file->minor->master
1) "=>"
Whenever we set drm_file->is_master, we also set:
drm_file->minor->master = drm_file->master;
Whenever we clear drm_file->is_master, we also call:
drm_master_put(&drm_file->minor->master);
which implicitly clears it to NULL.
2) "<="
minor->master cannot be set if it is non-NULL. Therefore, it stays as
is unless a file drops it.
If minor->master is NULL, it is only set by places that also adjust
drm_file->is_master.
Therefore, we can safely drop is_master and replace it by an inline helper
that matches:
drm_file->master && drm_file->master == drm_file->minor->master
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Here's the big pull request for the staging driver tree for 3.17-rc1.
Lots of things in here, over 2000 patches, but the best part is this:
1480 files changed, 39070 insertions(+), 254659 deletions(-)
Thanks to the great work of Kristina Martšenko, 14 different staging
drivers have been removed from the tree as they were obsolete and no one
was willing to work on cleaning them up. Other than the driver
removals, loads of cleanups are in here (comedi, lustre, etc.) as well
as the usual IIO driver updates and additions.
All of this has been in the linux-next tree for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver updates from Greg KH:
"Here's the big pull request for the staging driver tree for 3.17-rc1.
Lots of things in here, over 2000 patches, but the best part is this:
1480 files changed, 39070 insertions(+), 254659 deletions(-)
Thanks to the great work of Kristina Martšenko, 14 different staging
drivers have been removed from the tree as they were obsolete and no
one was willing to work on cleaning them up. Other than the driver
removals, loads of cleanups are in here (comedi, lustre, etc.) as well
as the usual IIO driver updates and additions.
All of this has been in the linux-next tree for a while"
* tag 'staging-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (2199 commits)
staging: comedi: addi_apci_1564: remove diagnostic interrupt support code
staging: comedi: addi_apci_1564: add subdevice to check diagnostic status
staging: wlan-ng: coding style problem fix
staging: wlan-ng: fixing coding style problems
staging: comedi: ii_pci20kc: request and ioremap memory
staging: lustre: bitwise vs logical typo
staging: dgnc: Remove unneeded dgnc_trace.c and dgnc_trace.h
staging: dgnc: rephrase comment
staging: comedi: ni_tio: remove some dead code
staging: rtl8723au: Fix static symbol sparse warning
staging: rtl8723au: usb_dvobj_init(): Remove unused variable 'pdev_desc'
staging: rtl8723au: Do not duplicate kernel provided USB macros
staging: rtl8723au: Remove never set struct pwrctrl_priv.bHWPowerdown
staging: rtl8723au: Remove two never set variables
staging: rtl8723au: RSSI_test is never set
staging:r8190: coding style: Fixed checkpatch reported Error
staging:r8180: coding style: Fixed too long lines
staging:r8180: coding style: Fixed commenting style
staging: lustre: ptlrpc: lproc_ptlrpc.c - fix dereferenceing user space buffer
staging: lustre: ldlm: ldlm_resource.c - fix dereferenceing user space buffer
...
Here's the big driver-core pull request for 3.17-rc1.
Largest thing in here is the dma-buf rework and fence code, that touched
many different subsystems so it was agreed it should go through this
tree to handle merge issues. There's also some firmware loading
updates, as well as tests added, and a few other tiny changes, the
changelog has the details.
All have been in linux-next for a long time.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core updates from Greg KH:
"Here's the big driver-core pull request for 3.17-rc1.
Largest thing in here is the dma-buf rework and fence code, that
touched many different subsystems so it was agreed it should go
through this tree to handle merge issues. There's also some firmware
loading updates, as well as tests added, and a few other tiny changes,
the changelog has the details.
All have been in linux-next for a long time"
* tag 'driver-core-3.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (32 commits)
ARM: imx: Remove references to platform_bus in mxc code
firmware loader: Fix _request_firmware_load() return val for fw load abort
platform: Remove most references to platform_bus device
test: add firmware_class loader test
doc: fix minor typos in firmware_class README
staging: android: Cleanup style issues
Documentation: devres: Sort managed interfaces
Documentation: devres: Add devm_kmalloc() et al
fs: debugfs: remove trailing whitespace
kernfs: kernel-doc warning fix
debugfs: Fix corrupted loop in debugfs_remove_recursive
stable_kernel_rules: Add pointer to netdev-FAQ for network patches
driver core: platform: add device binding path 'driver_override'
driver core/platform: remove unused implicit padding in platform_object
firmware loader: inform direct failure when udev loader is disabled
firmware: replace ALIGN(PAGE_SIZE) by PAGE_ALIGN
firmware: read firmware size using i_size_read()
firmware loader: allow disabling of udev as firmware loader
reservation: add suppport for read-only access using rcu
reservation: update api and add some helpers
...
Conflicts:
drivers/base/platform.c
Here are some tiny staging driver bugfixes that I've had in my tree for
the past week that resolve some reported issues. Nothing major at all,
but it would be good to get them merged for 3.16-rc8 or -final.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.16-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver bugfixes from Greg KH:
"Here are some tiny staging driver bugfixes that I've had in my tree
for the past week that resolve some reported issues. Nothing major at
all, but it would be good to get them merged for 3.16-rc8 or -final"
* tag 'staging-3.16-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: vt6655: Fix disassociated messages every 10 seconds
staging: vt6655: Fix Warning on boot handle_irq_event_percpu.
staging: rtl8723au: rtw_resume(): release semaphore before exit on error
iio:bma180: Missing check for frequency fractional part
iio:bma180: Fix scale factors to report correct acceleration units
iio: buffer: Fix demux table creation
As per Ian, at this point in time it is not worth implementing an async
command interface for diagnostic interrupts for this board. As this is
the case, this patch removes the code which supports such interrupts as it
is now unused.
This includes removing apci1564_do_read(), which was the insn_read
operation for the digital output subdevice, since all it was doing was
reading the current diagnostic interrupt type and returning it in 'data'.
This doesn't follow the comedi API and this operation can be emulated by
the comedi core anyway since the insn_bits operation follows the comedi
API. So it is safe to simply remove this function.
Signed-off-by: Chase Southwood <chase.southwood@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This board provides VCC/CC diagnostic information, and it also supports
diagnostic interrupts. However, as per Ian, these interrupts aren't very
useful and it is enough to simply provide an interface for accessing the
diagnostic status on-demand. This patch adds a 2-channel digital input
subdevice with an insn_bits handler to access this information.
Signed-off-by: Chase Southwood <chase.southwood@gmail.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Cc: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
WARNING: Unnecessary space before function pointer arguments
+ int (*func) (struct mibrec *mib,
WARNING: Missing a blank line after declarations
+ hfa384x_WPAData_t wpa;
+ if (isget) {
Signed-off-by: Modestas Stankus <stankus.modestas@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The "ii_pci20kc" module is a comedi driver for Intelligent Instruments
PCI-20001C carrier board and modules. Despite the name, this is
actually an ISA board and uses 1K of ISA memory space (below 1M) for the
main board plus up to three modules. The address is set by hardware
jumpers.
When the board is attached to Comedi via the `COMEDI_DEVCONFIG` ioctl
and the driver's legacy "attach" handler, the base address is passed in.
The driver currently uses that address as-is, which is a bad idea. It
doesn't even reserve the memory region.
Fix that by sanity checking the passed in address, reserving the memory
region and ioremapping it.
Replace the current "detach" handler `comedi_legacy_detach()` with a new
handler `ii20k_detach()` which unmaps the memory and releases the
region.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Bitwise AND was intended here obviously.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
These conditions can never be true because "i" is always one more than
NI_660X_MAX_RTSI_CHAN after the loop.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix sparse warning:
drivers/staging/rtl8723au/core/rtw_efuse.c:579:5: warning: symbol 'efuse_GetCurrentSize23a' was not declared. Should it be static?
by removing efuse_GetCurrentSize23a since its never used
Signed-off-by: Miguel Oliveira <cmroliv@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Dan Carpenter