In 'ath9k_ani_reset' the 'ahp->ah_curani' will be initialized only
if 'DO_ANI(ah)' true. In 'ath9k_hw_ani_monitor' we are using 'ahp->ah_curani'
unconditionally, and it will cause a NULL pointer dereference on AR9100.
Signed-off-by: Gabor Juhos <juhosg@xxxxxxxxxxx>
Signed-off-by: Imre Kaloz <kaloz@xxxxxxxxxxx>
---
drivers/net/wireless/ath9k/ani.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/ath9k/ani.c b/drivers/net/wireless/ath9k/ani.c
index 251e2d9..ffa6a93 100644
--- a/drivers/net/wireless/ath9k/ani.c
+++ b/drivers/net/wireless/ath9k/ani.c
@@ -555,6 +555,9 @@ void ath9k_hw_ani_monitor(struct ath_hal *ah,
struct ar5416AniState *aniState;
int32_t listenTime;
+ if (!DO_ANI(ah))
+ return;
+
aniState = ahp->ah_curani;
ahp->ah_stats.ast_nodestats = *stats;
@@ -614,9 +617,6 @@ void ath9k_hw_ani_monitor(struct ath_hal *ah,
aniState->cckPhyErrCount = cckPhyErrCnt;
}
- if (!DO_ANI(ah))
- return;
-
if (aniState->listenTime > 5 * ahp->ah_aniPeriod) {
if (aniState->ofdmPhyErrCount <= aniState->listenTime *
aniState->ofdmTrigLow / 1000 &&
--
1.5.3.2
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