From 86fbe17d7f0856f4111e1ceaf3f5c399315fb4e7 Mon Sep 17 00:00:00 2001
From: Pavel Roskin <proski@gnu.org>
Date: Sat, 9 Jul 2011 00:17:45 -0400
Subject: [PATCH] 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>
---
drivers/net/wireless/ath/ath5k/ani.c | 5 +++++
1 file changed, 5 insertions(+)
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));
--
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