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V4L/DVB (6581): Fix: avoids negative vma usage count

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Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2007-11-10 10:26:20 -03:00
parent 33f7771411
commit 63337dd3f5
1 changed files with 3 additions and 1 deletions
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4
drivers/media/video/em28xx/em28xx-video.c
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@ -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 = {