From: Pavel Roskin <proski@gnu.org>
Date: Sat, 9 Jul 2011 04:17:45 +0000 (-0400)
Subject: ath5k: validate mode in ath5k_ani_init() before trying to set it
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=86fbe17d7f0856f4111e1ceaf3f5c399315fb4e7;p=openwrt%2Fstaging%2Fblogic.git

ath5k: validate mode in ath5k_ani_init() before trying to set it

Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ath/ath5k/ani.c b/drivers/net/wireless/ath/ath5k/ani.c
index a08f17318e63..b88d10c3b9e0 100644
--- a/drivers/net/wireless/ath/ath5k/ani.c
+++ b/drivers/net/wireless/ath/ath5k/ani.c
@@ -630,6 +630,11 @@ ath5k_ani_init(struct ath5k_hw *ah, enum ath5k_ani_mode mode)
 	if (ah->ah_version < AR5K_AR5212)
 		return;
 
+	if (mode < ATH5K_ANI_MODE_OFF || mode > ATH5K_ANI_MODE_AUTO) {
+		ATH5K_ERR(ah->ah_sc, "ANI mode %d out of range", mode);
+		return;
+	}
+
 	/* clear old state information */
 	memset(&ah->ah_sc->ani_state, 0, sizeof(ah->ah_sc->ani_state));