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[PATCH 1/3] ath9k_hw: fix buffer overflow smatch warning

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drivers/net/wireless/ath/ath9k/btcoex.c:93
  ath9k_hw_init_btcoex_hw() error: buffer overflow
  'ah->hw_gen_timers.gen_timer_index' 32 <= 2009813776

Signed-off-by: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath9k/btcoex.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c
index acd4373..f06477a 100644
--- a/drivers/net/wireless/ath/ath9k/btcoex.c
+++ b/drivers/net/wireless/ath/ath9k/btcoex.c
@@ -89,7 +89,7 @@ void ath9k_hw_init_btcoex_hw(struct ath_hw *ah, int qnum)
 		AR_BT_DISABLE_BT_ANT;
 
 	for (i = 0; i < 32; i++) {
-		idx = (debruijn32 << i) >> 27;
+		idx = ((debruijn32 << i) >> 27) % 32;
 		ah->hw_gen_timers.gen_timer_index[idx] = i;
 	}
 }
-- 
1.7.11

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