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Commit be49e368 authored by Jiri Slaby's avatar Jiri Slaby Committed by Mauro Carvalho Chehab
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V4L/DVB (9972): v4l: usbvideo, fix module ref count check 



usbvideo_ClientIncModCount may return value < 0 in the case of error, not > 0.

Signed-off-by: default avatarJiri Slaby <jirislaby@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 14983d81

drivers/media/video/usbvideo/usbvideo.c

+1 −1
Original line number Diff line number Diff line
@@ -1123,7 +1123,7 @@ static int usbvideo_v4l_open(struct inode *inode, struct file *file) 
	if (uvd->debug > 1)

		dev_info(&uvd->dev->dev, "%s($%p)\n", __func__, dev);



	if (0 < usbvideo_ClientIncModCount(uvd))

	if (usbvideo_ClientIncModCount(uvd) < 0)

		return -ENODEV;

	mutex_lock(&uvd->lock);