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 a08f173..b88d10c 100644
--- a/drivers/net/wireless/ath/ath5k/ani.c
+++ b/drivers/net/wireless/ath/ath5k/ani.c
@@ -630,6 +630,11 @@
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));