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V4L/DVB (9972): v4l: usbvideo, fix module ref count check

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

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Jiri Slaby 2008-12-22 22:38:23 -03:00 committed by Mauro Carvalho Chehab
parent 14983d8163
commit be49e368fb
1 changed files with 1 additions and 1 deletions
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2
drivers/media/video/usbvideo/usbvideo.c
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@ -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);