diff options
| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-11-10 10:26:20 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-12-11 18:08:07 -0200 |
| commit | 63337dd3f5506628e4831b08e39e09d7f1407769 (patch) | |
| tree | d20a4af2b7febede47031035c6baec640c0dc472 /drivers | |
| parent | 33f7771411c1f815208f6593d8fde8f9a135cea5 (diff) | |
V4L/DVB (6581): Fix: avoids negative vma usage count
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-video.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index d3dd6a0fc8a..0906bc5766c 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -571,7 +571,9 @@ 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 = { |