From: Andrzej Hajda Date: Mon, 21 Sep 2015 13:33:55 +0000 (+0200) Subject: rndis_wlan: fix checking for default value X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=7e724da64491b20257d46f100bcc6d6214c37b70;p=deliverable%2Flinux.git rndis_wlan: fix checking for default value Thresholds uses -1 to indicate that default value should be used. Since thresholds are unsigned sign checking makes no sense. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2038576 Signed-off-by: Andrzej Hajda Signed-off-by: David S. Miller --- diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index 71a825c750cf..a13d1f2b5912 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -1236,7 +1236,7 @@ static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold) netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold); - if (rts_threshold < 0 || rts_threshold > 2347) + if (rts_threshold == -1 || rts_threshold > 2347) rts_threshold = 2347; tmp = cpu_to_le32(rts_threshold);