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linux/drivers/media
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Mauro Carvalho Chehab deb89c6ef9 media: vb2: be sure to unlock mutex on errors 
commit c06ef2e9ac upstream.

As reported by smatch:
drivers/media/common/videobuf2/videobuf2-core.c: drivers/media/common/videobuf2/videobuf2-core.c:2159 vb2_mmap() warn: inconsistent returns 'mutex:&q->mmap_lock'.
  Locked on:   line 2148
  Unlocked on: line 2100
               line 2108
               line 2113
               line 2118
               line 2156
               line 2159

There is one error condition that doesn't unlock a mutex.

Fixes: cd26d1c4d1 ("media: vb2: vb2_mmap: move lock up")
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2019-01-22 21:10:01 +01:00
..
cec media: cec-pin: fix broken tx_ignore_nack_until_eom error injection 2019-01-09 17:46:01 +01:00
common media: vb2: be sure to unlock mutex on errors 2019-01-22 21:10:01 +01:00
dvb-core media updates for v4.20-rc1 2018-10-31 10:53:29 -07:00
dvb-frontends media: dvb-pll: don't re-validate tuner frequencies 2018-11-27 13:51:32 -05:00
firewire media: replace strcpy() by strscpy() 2018-09-11 13:32:17 -04:00
i2c media: imx274: fix stack corruption in imx274_read_reg 2019-01-09 17:46:01 +01:00
mmc media: siano: use GFP_DMA only for smssdio 2018-05-15 08:04:42 -04:00
pci media: cx23885: only reset DMA on problematic CPUs 2019-01-13 09:24:04 +01:00
platform media: vivid: set min width/height to a value > 0 2019-01-22 21:09:56 +01:00
radio media: replace strcpy() by strscpy() 2018-09-11 13:32:17 -04:00
rc media: rc: cec devices do not have a lirc chardev 2019-01-09 17:46:01 +01:00
spi media: cxd2880-spi: Modified how to declare structure 2018-05-05 10:37:12 -04:00
tuners media: si2157: declare its own pads 2018-09-17 13:16:19 -04:00
usb media: dvb-usb-v2: Fix incorrect use of transfer_flags URB_FREE_BUFFER 2019-01-09 17:45:53 +01:00
v4l2-core media: v4l: ioctl: Validate num_planes for debug messages 2019-01-22 21:09:53 +01:00
Kconfig media: Add a Kconfig option for the Request API 2018-12-05 13:07:43 -05:00
Makefile media: media-request: implement media requests 2018-08-31 11:04:51 -04:00
media-device.c media: Add a Kconfig option for the Request API 2018-12-05 13:07:43 -05:00
media-devnode.c MAINTAINERS & files: Canonize the e-mails I use at files 2018-05-04 06:21:06 -04:00
media-entity.c media: v4l2-mc: switch it to use the new approach to setup pipelines 2018-09-17 13:16:19 -04:00
media-request.c media: media-request: Add compat ioctl 2018-11-20 12:53:27 -05:00