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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-11-10 11:26:20 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-11-10 11:26:20 -0200 |
| commit | 42e162c6e5822c3dd698a9e1f77f6b3387236d73 (patch) | |
| tree | 45e9c82ff86f430e75b23425ae461a78314e6c3b /linux/drivers/media/video | |
| parent | 48367f67743ac8d9ec4f445d6e8ef253467195cf (diff) | |
| download | mediapointer-dvb-s2-42e162c6e5822c3dd698a9e1f77f6b3387236d73.tar.gz mediapointer-dvb-s2-42e162c6e5822c3dd698a9e1f77f6b3387236d73.tar.bz2 | |
Fix: avoids negative vma usage count
From: Mauro Carvalho Chehab <mchehab@infradead.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'linux/drivers/media/video')
| -rw-r--r-- | linux/drivers/media/video/em28xx/em28xx-video.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/linux/drivers/media/video/em28xx/em28xx-video.c b/linux/drivers/media/video/em28xx/em28xx-video.c index c75111219..db3e314a6 100644 --- a/linux/drivers/media/video/em28xx/em28xx-video.c +++ b/linux/drivers/media/video/em28xx/em28xx-video.c @@ -568,7 +568,9 @@ static void em28xx_vm_close(struct vm_area_struct *vma) { /* NOTE: buffers are not freed here */ struct em28xx_frame_t *f = vma->vm_private_data; - f->vma_use_count--; + + if (f->vma_use_count) + f->vma_use_count--; } static struct vm_operations_struct em28xx_vm_ops = { |