The function can return negative value. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2046107 Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx> --- Hi, To avoid problems with too many mail recipients I have sent whole patchset only to LKML. Anyway patches have no dependencies. Regards Andrzej --- drivers/media/usb/cx231xx/cx231xx-video.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c index 9798160..d0d8f08 100644 --- a/drivers/media/usb/cx231xx/cx231xx-video.c +++ b/drivers/media/usb/cx231xx/cx231xx-video.c @@ -1114,7 +1114,8 @@ int cx231xx_enum_input(struct file *file, void *priv, struct cx231xx_fh *fh = priv; struct cx231xx *dev = fh->dev; u32 gen_stat; - unsigned int ret, n; + unsigned int n; + int ret; n = i->index; if (n >= MAX_CX231XX_INPUT) -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html