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| author | Devin Heitmueller <dheitmueller@linuxtv.org> | 2008-12-16 21:09:35 -0500 |
|---|---|---|
| committer | Devin Heitmueller <dheitmueller@linuxtv.org> | 2008-12-16 21:09:35 -0500 |
| commit | 0d788195b491c7c18524b30618f44059eb35bc06 (patch) | |
| tree | 26c14fac4f9fb6efce28147ec83ffdc7613f926a /linux/drivers/media/video/em28xx/em28xx-video.c | |
| parent | a015d228d3c58d1377600c5a06914a06e4e6be36 (diff) | |
| download | mediapointer-dvb-s2-0d788195b491c7c18524b30618f44059eb35bc06.tar.gz mediapointer-dvb-s2-0d788195b491c7c18524b30618f44059eb35bc06.tar.bz2 | |
em28xx: fix NULL pointer dereference in call to VIDIOC_INT_RESET command
From: Devin Heitmueller <dheitmueller@linuxtv.org>
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)
Priority: high
Signed-off-by: Devin Heitmueller <dheitmueller@linuxtv.org>
Diffstat (limited to 'linux/drivers/media/video/em28xx/em28xx-video.c')
| -rw-r--r-- | linux/drivers/media/video/em28xx/em28xx-video.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/linux/drivers/media/video/em28xx/em28xx-video.c b/linux/drivers/media/video/em28xx/em28xx-video.c index ff960f90c..f3c9e2331 100644 --- a/linux/drivers/media/video/em28xx/em28xx-video.c +++ b/linux/drivers/media/video/em28xx/em28xx-video.c @@ -555,10 +555,11 @@ 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); } |