we want to do that before branchpoint for arch-* to be able to
consolidate sys_rt_sigsuspend() declarations.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
usual "call force_sigsegv or signal_delivered" logics. Takes
ksignal instead of separate siginfo/k_sigaction.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
On success get_signal_to_deliver() fills k_sigaction and siginfo.
_All_ users pass it addresses of the local variables sitting in
the same function. Then they proceed to pass those addresses
pretty much in tandem to a bunch of helper functions; again, all
callers of those helpers are passing them such a pair, and one that
had been through get_signal_to_deliver() at that.
The obvious cleanup: introduce a new type that would contain a
<k_sigaction,siginfo> pair (struct ksignal) and begin switching to
using it. Turns out that it's convenient to store the signal number
in the same object.
New helper, taking that sucker is a wrapper for get_signal_to_deliver();
takes struct ksignal * and returns bool. On success fills ksignal
with the information for signal handler to be invoked.
For now it's a macro (to avoid header ordering headache), but eventually
it'll be a function in kernel/signal.c, with get_signal_to_deliver()
folded into it.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Again, protected by a temporary config symbol (GENERIC_COMPAT_RT_SIGACTION);
will be gone by the end of series.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Only alpha and sparc are unusual - they have ka_restorer in it.
And nobody needs that exposed to userland.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
... and make it unconditional - we want the sucker on all biarch
platforms, really. All kinds of wrappers and private implementations
can go now; fortunately, they don't cause name conflicts, so we can
do that one first without any bisect hazards.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
conditional on GENERIC_COMPAT_RT_SIGQUEUEINFO; by the end of that series
it will become the same thing as COMPAT and conditional will die out.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
conditional on GENERIC_COMPAT_RT_SIGPENDING; by the end of that series
it will become the same thing as COMPAT and conditional will die out.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
conditional on GENERIC_COMPAT_RT_SIGPROCMASK; by the end of that series
it will become the same thing as COMPAT and conditional will die out.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* pull compat version alongside with the native one
* make little-endian compat variant just call the native
* don't bother with separate conditional for compat (both native and
compat are going to become unconditional very soon).
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Switch from __ARCH_WANT_SYS_RT_SIGACTION to opposite
(!CONFIG_ODD_RT_SIGACTION); the only two architectures that
need it are alpha and sparc. The reason for use of CONFIG_...
instead of __ARCH_... is that it's needed only kernel-side
and doing it that way avoids a mess with include order on many
architectures.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
again, strictly speaking we are in nasal daemon territory on ppc
and mips - we need to sign-extend int arguments.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Pull misc syscall fixes from Al Viro:
- compat syscall fixes (discussed back in December)
- a couple of "make life easier for sigaltstack stuff by reducing
inter-tree dependencies"
- fix up compiler/asmlinkage calling convention disagreement of
sys_clone()
- misc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal:
sys_clone() needs asmlinkage_protect
make sure that /linuxrc has std{in,out,err}
x32: fix sigtimedwait
x32: fix waitid()
switch compat_sys_wait4() and compat_sys_waitid() to COMPAT_SYSCALL_DEFINE
switch compat_sys_sigaltstack() to COMPAT_SYSCALL_DEFINE
CONFIG_GENERIC_SIGALTSTACK build breakage with asm-generic/syscalls.h
Ensure that kernel_init_freeable() is not inlined into non __init code
The ia64 function "thread_matches()" has no users since commit
e868a55c2a ("[IA64] remove find_thread_for_addr()"). Remove it.
This allows us to make ptrace_check_attach() static to kernel/ptrace.c,
which is good since we'll need to change the semantics of it and fix up
all the callers.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Here are 3 USB patches for 3.8-rc4. Two of them are new device id
patches, and the third fixes a reported oops in the io_ti USB serial
driver.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg Kroah-Hartman:
"Here are 3 USB patches for 3.8-rc4. Two of them are new device id
patches, and the third fixes a reported oops in the io_ti USB serial
driver"
* tag 'usb-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
USB: io_ti: Fix NULL dereference in chase_port()
USB: option: add TP-LINK HSUPA Modem MA180
USB: option: blacklist network interface on ONDA MT8205 4G LTE
Here are a few tty/serial driver fixes for 3.8-rc4 that resolve a number
of problems that people have been having, including the ptys ioctl issue
that is a regression fix.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial fixes from Greg Kroah-Hartman:
"Here are a few tty/serial driver fixes for 3.8-rc4 that resolve a
number of problems that people have been having, including the ptys
ioctl issue that is a regression fix"
* tag 'tty-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
8250/16?50: Add support for Broadcom TruManage redirected serial port
pty: return EINVAL for TIOCGPTN for BSD ptys
serial:ifx6x60:Keep word size accordance with SPI controller
tty: 8250_dw: Fix inverted arguments to serial_out in IRQ handler
serial: samsung: remove redundant setting of line config during port reset
serial:ifx6x60:Delete SPI timer when shut down port
tty/8250: The correct device id for this card is 0x0022
tty/8250: pbn_b0_8_1152000_200 is supposed to be an 8 port definition
tty: serial: vt8500: fix return value check in vt8500_serial_probe()
serial: mxs-auart: Index is unsigned
mxs: uart: fix setting RTS from software
Here are some bugfixes for the drivers/staging tree for 3.8-rc4.
Nothing major, just a number of small fixes for problems that people
have reported, including finally tracking down the root of the 64/32 bit
problem with the vt6656 that has been driving people crazy for a while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver bugfixes from Greg Kroah-Hartman:
"Here are some bugfixes for the drivers/staging tree for 3.8-rc4.
Nothing major, just a number of small fixes for problems that people
have reported, including finally tracking down the root of the 64/32
bit problem with the vt6656 that has been driving people crazy for a
while"
* tag 'staging-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging/sb105x: PARPORT config is not good enough must use PARPORT_PC
staging: wlan-ng: Fix clamping of returned SSID length
staging: vt6656: Fix inconsistent structure packing
staging:iio:adis16080: Perform sign extension
iio: mxs-lradc: indexes are unsigned
Here are two hyperv patches for 3.8-rc4 that fix some reported problems
hv_balloon driver.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg Kroah-Hartman:
"Here are two hyperv patches for 3.8-rc4 that fix some reported
problems hv_balloon driver"
* tag 'char-misc-3.8-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Drivers: hv: balloon: Fix a memory leak
Drivers: hv: balloon: Fix a bug in the definition of struct dm_info_msg
- CVE-2013-0190/XSA-40 (or stack corruption for 32-bit PV kernels)
- Fix racy vma access spotted by Al Viro
- Fix mmap batch ioctl potentially resulting in large O(n) page allcations.
- Fix vcpu online/offline BUG:scheduling while atomic..
- Fix unbound buffer scanning for more than 32 vCPUs.
- Fix grant table being incorrectly initialized
- Fix incorrect check in pciback
- Allow privcmd in backend domains.
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Merge tag 'stable/for-linus-3.8-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull Xen fixes from Konrad Rzeszutek Wilk:
- CVE-2013-0190/XSA-40 (or stack corruption for 32-bit PV kernels)
- Fix racy vma access spotted by Al Viro
- Fix mmap batch ioctl potentially resulting in large O(n) page allcations.
- Fix vcpu online/offline BUG:scheduling while atomic..
- Fix unbound buffer scanning for more than 32 vCPUs.
- Fix grant table being incorrectly initialized
- Fix incorrect check in pciback
- Allow privcmd in backend domains.
Fix up whitespace conflict due to ugly merge resolution in Xen tree in
arch/arm/xen/enlighten.c
* tag 'stable/for-linus-3.8-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
xen: Fix stack corruption in xen_failsafe_callback for 32bit PVOPS guests.
Revert "xen/smp: Fix CPU online/offline bug triggering a BUG: scheduling while atomic."
xen/gntdev: remove erronous use of copy_to_user
xen/gntdev: correctly unmap unlinked maps in mmu notifier
xen/gntdev: fix unsafe vma access
xen/privcmd: Fix mmap batch ioctl.
Xen: properly bound buffer access when parsing cpu/*/availability
xen/grant-table: correctly initialize grant table version 1
x86/xen : Fix the wrong check in pciback
xen/privcmd: Relax access control in privcmd_ioctl_mmap
Pull m68knommu arch fixes from Greg Ungerer:
"This contains a couple of fixes, both affecting compilation of non-mmu
m68k targets."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68k: fix conditional use of init_pointer_table
m68knommu: add KMAP definitions for non-MMU definitions
Commit 816422ad76 ("asm-generic, mm: pgtable: consolidate zero page
helpers") broke the compile on MIPS if SPARSEMEM is enabled. We get
this:
In file included from arch/mips/include/asm/pgtable.h:552,
from include/linux/mm.h:44,
from arch/mips/kernel/asm-offsets.c:14:
include/asm-generic/pgtable.h: In function 'my_zero_pfn':
include/asm-generic/pgtable.h:466: error: implicit declaration of function 'page_to_section'
In file included from arch/mips/kernel/asm-offsets.c:14:
include/linux/mm.h: At top level:
include/linux/mm.h:738: error: conflicting types for 'page_to_section'
include/asm-generic/pgtable.h:466: note: previous implicit declaration of 'page_to_section' was here
Due header files inter-dependencies, the only way I see to fix it is
convert my_zero_pfn() for __HAVE_COLOR_ZERO_PAGE to macros.
Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: David Daney <david.daney@cavium.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The driver description files gives these names to the vendor specific
functions on this modem:
Diagnostics VID_2357&PID_0201&MI_00
NMEA VID_2357&PID_0201&MI_01
Modem VID_2357&PID_0201&MI_03
Networkcard VID_2357&PID_0201&MI_04
Reported-by: Thomas Schäfer <tschaefer@t-online.de>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver description files gives these names to the vendor specific
functions on this modem:
Diag VID_19D2&PID_0265&MI_00
NMEA VID_19D2&PID_0265&MI_01
AT cmd VID_19D2&PID_0265&MI_02
Modem VID_19D2&PID_0265&MI_03
Net VID_19D2&PID_0265&MI_04
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The sb105x driver calls parport_pc_probe_port() which isn't defined if
PARPORT_PC isn't enabled. Protecting it with CONFIG_PARPORT is not good
enough, must protect it with CONFIG_PARPORT_PC.
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 2e254212 broke listing of available network names, since it
clamped the length of the returned SSID to WLAN_BSSID_LEN (6) instead of
WLAN_SSID_MAXLEN (32).
https://bugzilla.kernel.org/show_bug.cgi?id=52501
Signed-off-by: Tormod Volden <debian.tormod@gmail.com>
Cc: stable <stable@vger.kernel.org> # 3.4+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Two tiny fixes
* A build warning fix due to signed / unsigned comparison
* Missing sign extension in adis16080
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Merge tag 'iio-fixes-for-3.8b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
Second round of fixes for IIO post 3.8-rc1
Two tiny fixes
* A build warning fix due to signed / unsigned comparison
* Missing sign extension in adis16080
Add support for the UART device present in Broadcom TruManage capable
NetXtreme chips (ie: 5761m 5762, and 5725).
This implementation has a hidden transmit FIFO, so running in single-byte
interrupt mode results in too many interrupts. The UART_CAP_HFIFO
capability was added to track this. It continues to reload the THR as long
as the THRE and TSRE bits are set in the LSR up to a specified limit (1024
is used here).
Signed-off-by: Stephen Hurd <shurd@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit bbb63c514a (drivers:tty:fix up
ENOIOCTLCMD error handling) changed the default return value from tty
ioctl to be ENOTTY and not EINVAL. This is appropriate.
But in case of TIOCGPTN for the old BSD ptys glibc started failing
because it expects EINVAL to be returned. Only then it continues to
obtain the pts name the other way around.
So fix this case by explicit return of EINVAL in this case.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Reported-by: Florian Westphal <fw@strlen.de>
Cc: Alan Cox <alan@linux.intel.com>
Cc: stable <stable@vger.kernel.org> # 3.7+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
vt6656 has several headers that use the #pragma pack(1) directive to
enable structure packing, but never disable it. The layout of
structures defined in other headers can then depend on which order the
various headers are included in, breaking the One Definition Rule.
In practice this resulted in crashes on x86_64 until the order of header
inclusion was changed for some files in commit 11d404cb56 ('staging:
vt6656: fix headers and add cfg80211.'). But we need a proper fix that
won't be affected by future changes to the order of inclusion.
This removes the #pragma pack(1) directives and adds __packed to the
structure definitions for which packing appears to have been intended.
Reported-and-tested-by: Malcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The send buffer was being leaked; fix it.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Reported-by: Jason Wang <jasowang@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is bug in the definition of struct dm_info_msg. This patch fixes
the definition of this structure and makes the corresponding adjustments.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pull more s390 patches from Martin Schwidefsky:
"A couple of bug fixes: one of the transparent huge page primitives is
broken, the sched_clock function overflows after 417 days, the XFS
module has grown too large for -fpic and the new pci code has broken
normal channel subsystem notifications."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/chsc: fix SEI usage
s390/time: fix sched_clock() overflow
s390: use -fPIC for module compile
s390/mm: fix pmd_pfn() for thp
- fix(es) for compound buffers
- fix for dquot soft timer asserts due to overflow of d_blk_softlimit
- fix for regression in dir v2 code introduced in commit 20f7e9f3
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Merge tag 'for-linus-v3.8-rc4' of git://oss.sgi.com/xfs/xfs
Pull xfs bugfixes from Ben Myers:
- fix(es) for compound buffers
- fix for dquot soft timer asserts due to overflow of d_blk_softlimit
- fix for regression in dir v2 code introduced in commit 20f7e9f372
("xfs: factor dir2 block read operations")
* tag 'for-linus-v3.8-rc4' of git://oss.sgi.com/xfs/xfs:
xfs: recalculate leaf entry pointer after compacting a dir2 block
xfs: remove int casts from debug dquot soft limit timer asserts
xfs: fix the multi-segment log buffer format
xfs: fix segment in xfs_buf_item_format_segment
xfs: rename bli_format to avoid confusion with bli_formats
xfs: use b_maps[] for discontiguous buffers
Al Viro