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Javier Martinez Canillas 223d19c566 [media] media-device: check before unregister if mdev was registered 
Most media functions that unregister, check if the corresponding register
function succeed before. So these functions can safely be called even if a
registration was never made or the component as already been unregistered.

Add the same check to media_device_unregister() function for consistency.

This will also allow to split the media_device_register() function in an
initialization and registration functions without the need to change the
generic cleanup functions and error code paths for all the media drivers.

Suggested-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
 		2016-01-11 12:19:14 -02:00
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accessibility
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acpi Merge branches 'acpi-smbus', 'acpi-ec' and 'acpi-pci' 2015-11-20 01:22:52 +01:00
amba
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android
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ata SCSI misc on 20151113 2015-11-13 20:35:54 -08:00
atm
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auxdisplay
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base Merge branch 'pm-sleep' 2015-11-20 01:22:33 +01:00
bcma
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block Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client 2015-11-13 09:24:40 -08:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-11-10 18:11:41 -08:00
bus ARM: SoC driver updates for v4.4 2015-11-10 15:00:03 -08:00
cdrom
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char ipmi watchdog : add panic_wdt_timeout parameter 2015-11-16 06:28:43 -06:00
clk h8300 update for v4.4 2015-11-12 15:26:39 -08:00
clocksource clocksource: Disallow drivers for ARCH_USES_GETTIMEOFFSET 2015-11-16 19:07:08 +01:00
connector mm, page_alloc: distinguish between being unable to sleep, unwilling to sleep and avoiding waking kswapd 2015-11-06 17:50:42 -08:00
cpufreq Merge branches 'pm-cpufreq' and 'acpi-cppc' 2015-11-20 01:22:10 +01:00
cpuidle
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crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2015-11-17 09:40:05 -08:00
dca
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devfreq
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dio
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dma dmaengine: at_hdmac: use %pad format string for dma_addr_t 2015-11-16 09:21:05 +05:30
dma-buf dma-buf/fence: add fence_wait_any_timeout function v2 2015-10-30 01:16:16 -04:00
edac asm-generic cleanups 2015-11-06 14:22:15 -08:00
eisa
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extcon Merge branches 'ib-extcon-mfd-4.4', 'ib-mfd-i2c-v4.4', 'ib-mfd-power-4.4', 'ib-mfd-regmap-4.4' and 'ib-mfd-regulator-4.4' into ibs-for-mfd-merged 2015-10-26 14:48:22 +00:00
firewire IEEE 1394 subsystem patch: 2015-11-11 10:21:34 -08:00
firmware ARM: SoC driver updates for v4.4 2015-11-10 15:00:03 -08:00
fmc
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fpga fpga: socfpga: Fix check of return value of devm_request_irq 2015-10-29 15:20:25 -07:00
gpio asm-generic cleanups 2015-11-06 14:22:15 -08:00
gpu drm, ipu-v3: use https://linuxtv.org for LinuxTV URL 2015-12-04 10:37:57 -02:00
hid HID: wacom: fixup quirks setup for WACOM_DEVICETYPE_PAD 2015-11-17 00:24:14 +01:00
hsi hsi: controllers:remove redundant code 2015-10-30 16:10:40 +01:00
hv drivers/hv: share Hyper-V SynIC constants with userspace 2015-11-04 16:24:33 +01:00
hwmon hwmon: (scpi) skip unsupported sensors properly 2015-11-16 09:59:50 -08:00
hwspinlock
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hwtracing Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-11-13 20:04:17 -08:00
i2c i2c: i801: add Intel Lewisburg device IDs 2015-11-20 16:22:21 +01:00
ide mm, page_alloc: rename __GFP_WAIT to __GFP_RECLAIM 2015-11-06 17:50:42 -08:00
idle
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iio First set of IIO fixes for the 4.4 cycle. 2015-11-18 13:15:50 -08:00
infiniband SCSI misc on 20151113 2015-11-13 20:35:54 -08:00
input [media] media: videobuf2: Move timestamp to vb2_buffer 2015-12-18 13:53:31 -02:00
iommu s390/pci_dma: handle dma table failures 2015-11-09 09:10:49 +01:00
ipack
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irqchip irqchip/gic: Add save/restore of the active state 2015-11-17 14:25:59 +01:00
isdn TTY/Serial driver patches for 4.4-rc1 2015-11-04 21:35:12 -08:00
leds spi: Updates for v4.4 2015-11-05 13:15:12 -08:00
lguest
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lightnvm block: change ->make_request_fn() and users to return a queue cookie 2015-11-07 10:40:46 -07:00
macintosh
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mailbox mailbox: mailbox-test: avoid reading iomem twice 2015-11-04 14:03:04 +05:30
mcb mcb: Destroy IDA on module unload 2015-10-29 09:02:16 +09:00
md Merge branch 'for-4.4/io-poll' of git://git.kernel.dk/linux-block 2015-11-10 17:23:49 -08:00
media [media] media-device: check before unregister if mdev was registered 2016-01-11 12:19:14 -02:00
memory ARM: SoC driver updates for v4.4 2015-11-10 15:00:03 -08:00
memstick
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message SCSI queue for 4.4. 2015-11-12 07:06:18 -05:00
mfd [media] include/media: move platform_data to linux/platform_data/media 2015-11-17 06:58:42 -02:00
misc Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-11-13 20:04:17 -08:00
mmc mmc: remove bondage between REQ_META and reliable write 2015-11-09 14:04:52 +01:00
mtd mtd: nand: fix shutdown/reboot for multi-chip systems 2015-11-16 10:51:39 -08:00
net various: fix pci_set_dma_mask return value checking 2015-11-20 16:17:32 -08:00
nfc Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2015-11-10 18:11:41 -08:00
ntb NTB: fix 32-bit compiler warning 2015-11-08 16:24:43 -05:00
nubus
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nvdimm libnvdimm, pmem: fix size trim in pmem_direct_access() 2015-11-12 09:55:23 -08:00
nvme NVMe: add support for Apple NVMe controller 2015-11-11 09:36:57 -07:00
nvmem
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of More power management and ACPI updates for v4.4-rc1 2015-11-12 11:50:33 -08:00
oprofile
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parisc pci: remove pci_dma_supported 2015-11-10 16:32:11 -08:00
parport
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pci Merge branches 'acpi-smbus', 'acpi-ec' and 'acpi-pci' 2015-11-20 01:22:52 +01:00
pcmcia
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perf arm64 updates for 4.4: 2015-11-04 14:47:13 -08:00
phy phy: qcom-ufs: fix build error when the component is built as a module 2015-11-09 17:44:24 -05:00
pinctrl This is the bulk of GPIO changes for v4.4: 2015-11-02 12:59:12 -08:00
platform platform/chrome: Branch for v4.4 2015-11-13 21:53:18 -08:00
pnp
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power - New Device Support 2015-11-06 10:23:50 -08:00
powercap
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pps
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ps3
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ptp
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pwm pwm: Changes for v4.4-rc1 2015-11-11 09:16:10 -08:00
rapidio
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ras
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regulator spi: Updates for v4.4 2015-11-05 13:15:12 -08:00
remoteproc
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reset
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rpmsg
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rtc RTC for 4.4 2015-11-10 10:01:21 -08:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2015-11-18 08:59:29 -08:00
sbus
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scsi SCSI misc on 20151113 2015-11-13 20:35:54 -08:00
sfi
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sh drivers: sh: Get rid of CONFIG_ARCH_SHMOBILE_MULTI 2015-11-17 02:12:46 +09:00
sn
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soc ARM: SoC driver updates for v4.4 2015-11-10 15:00:03 -08:00
spi Merge remote-tracking branches 'spi/topic/s3c64xx', 'spi/topic/ti-qspi' and 'spi/topic/txx9' into spi-next 2015-11-04 11:02:16 +00:00
spmi char/misc drivers for 4.4-rc1 2015-11-04 22:15:15 -08:00
ssb ssb: add Kconfig entry for compiling SoC related code 2015-10-28 21:05:21 +02:00
staging [media] staging: omap4iss: remove pads prefix from *_create_pads_links() 2016-01-11 12:19:08 -02:00
target SCSI misc on 20151113 2015-11-13 20:35:54 -08:00
tc
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thermal thermal: rockchip: fix compile error 2015-11-11 19:52:39 -08:00
thunderbolt
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tty serial: export fsl8250_handle_irq 2015-11-20 16:19:54 -08:00
uio
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usb [media] media: videobuf2: Move timestamp to vb2_buffer 2015-12-18 13:53:31 -02:00
uwb driver core update for 4.4-rc1 2015-11-04 21:50:37 -08:00
vfio VFIO updates for v4.4-rc1 2015-11-13 17:05:32 -08:00
vhost Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-11-13 20:04:17 -08:00
video fbdev changes for 4.4 2015-11-10 10:00:09 -08:00
virt
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virtio
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vlynq
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vme char/misc drivers for 4.4-rc1 2015-11-04 22:15:15 -08:00
w1 power supply and reset changes for the v4.4 series 2015-11-05 12:28:15 -08:00
watchdog Merge git://www.linux-watchdog.org/linux-watchdog 2015-11-10 10:11:12 -08:00
xen Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2015-11-13 20:04:17 -08:00
zorro
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Kconfig char/misc drivers for 4.4-rc1 2015-11-04 22:15:15 -08:00
Makefile char/misc drivers for 4.4-rc1 2015-11-04 22:15:15 -08:00