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



Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

parent 33f77714

drivers/media/video/em28xx/em28xx-video.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -571,6 +571,8 @@ 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;

		if (f->vma_use_count)
		f->vma_use_count--;
		}