ath5k: warn and correct rate for unknown hw rate indexes

[pandora-kernel.git] / drivers / net / wireless / ath5k / base.c

diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index f28b86c..6580df2 100644 (file)
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -1088,9 +1088,18 @@ ath5k_mode_setup(struct ath5k_softc *sc)
 static inline int
 ath5k_hw_to_driver_rix(struct ath5k_softc *sc, int hw_rix)
 {
-       WARN(hw_rix < 0 || hw_rix >= AR5K_MAX_RATES,
-                       "hw_rix out of bounds: %x\n", hw_rix);
-       return sc->rate_idx[sc->curband->band][hw_rix];
+       int rix;
+
+       /* return base rate on errors */
+       if (WARN(hw_rix < 0 || hw_rix >= AR5K_MAX_RATES,
+                       "hw_rix out of bounds: %x\n", hw_rix))
+               return 0;
+
+       rix = sc->rate_idx[sc->curband->band][hw_rix];
+       if (WARN(rix < 0, "invalid hw_rix: %x\n", hw_rix))
+               rix = 0;
+
+       return rix;
 }
 
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