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: NJiri Slaby <jirislaby@gmail.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
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