The patch number 9920 was added via Devin Heitmueller <[email protected]>
to http://linuxtv.org/hg/v4l-dvb master development tree.
Kernel patches in this development tree may be modified to be backward
compatible with older kernels. Compatibility modifications will be
removed before inclusion into the mainstream Kernel
If anyone has any objections, please let us know by sending a message to:
[email protected]
------
From: Devin Heitmueller <[email protected]>
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)
Priority: high
Signed-off-by: Devin Heitmueller <[email protected]>
---
linux/drivers/media/video/em28xx/em28xx-video.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -r 402de62fe6a6 -r 8760744a13a8
linux/drivers/media/video/em28xx/em28xx-video.c
--- a/linux/drivers/media/video/em28xx/em28xx-video.c Mon Dec 08 19:16:05
2008 -0200
+++ b/linux/drivers/media/video/em28xx/em28xx-video.c Tue Dec 16 21:09:35
2008 -0500
@@ -555,10 +555,11 @@ static void em28xx_config_i2c(struct em2
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);
}
---
Patch is available at:
http://linuxtv.org/hg/v4l-dvb/rev/8760744a13a85719ee60f384b444db4cbae66d2f
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