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>
mariux64 · Jul 11, 2011 · 86fbe17 · 86fbe17
1 parent 2139475
commit 86fbe17
Showing 1 changed file with 5 additions and 0 deletions.
diff --git 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));