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| author | Devin Heitmueller <dheitmueller@linuxtv.org> | 2008-12-16 23:09:35 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-23 09:13:50 -0200 |
| commit | 231ffc9c07021afcfb1afa229aa4935730e5163b (patch) | |
| tree | 5f2e5a712dee0e1ee8d0600da17204e6308007be | |
| parent | a67534a7824c7ef3c4c377f82e60fcaa137f9a2c (diff) | |
| download | linux-231ffc9c07021afcfb1afa229aa4935730e5163b.tar.gz linux-231ffc9c07021afcfb1afa229aa4935730e5163b.tar.bz2 linux-231ffc9c07021afcfb1afa229aa4935730e5163b.zip | |
V4L/DVB (9920): em28xx: fix NULL pointer dereference in call to VIDIOC_INT_RESET command
Fix a NULL pointer dereference that would occur if the video decoder tied to
the em28xx supports the VIDIOC_INT_RESET call (for example: the cx25840 driver)
Signed-off-by: Devin Heitmueller <dheitmueller@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-video.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 610f535a257c..4ea1f1e04897 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -549,10 +549,11 @@ static int em28xx_config(struct em28xx *dev) static void em28xx_config_i2c(struct em28xx *dev) { struct v4l2_routing route; + int zero = 0; route.input = INPUT(dev->ctl_input)->vmux; route.output = 0; - em28xx_i2c_call_clients(dev, VIDIOC_INT_RESET, NULL); + em28xx_i2c_call_clients(dev, VIDIOC_INT_RESET, &zero); em28xx_i2c_call_clients(dev, VIDIOC_INT_S_VIDEO_ROUTING, &route); em28xx_i2c_call_clients(dev, VIDIOC_STREAMON, NULL); } |