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authorDavid S. Miller <davem@davemloft.net>2011-06-04 13:38:31 -0700
committerDavid S. Miller <davem@davemloft.net>2011-06-04 13:38:31 -0700
commite990b37b906b6137d353ef2a918e15e5763d70ec (patch)
treee802458ee43d4b0a2b6d39eb25929858ceb7fd61 /drivers/net/wireless/ath/ath9k/eeprom_9287.c
parent34624d6631b6b3a1df16407a847286bb6233a96b (diff)
parent23c79d31a3dd2602ee1a5ff31303b2d7a2d3c159 (diff)
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Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/eeprom_9287.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/eeprom_9287.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_9287.c b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
index 7856f0d4512d..343fc9f946db 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_9287.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_9287.c
@@ -524,10 +524,16 @@ static void ath9k_hw_set_ar9287_power_per_rate_table(struct ath_hw *ah,
case 1:
break;
case 2:
- scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
+ if (scaledPower > REDUCE_SCALED_POWER_BY_TWO_CHAIN)
+ scaledPower -= REDUCE_SCALED_POWER_BY_TWO_CHAIN;
+ else
+ scaledPower = 0;
break;
case 3:
- scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
+ if (scaledPower > REDUCE_SCALED_POWER_BY_THREE_CHAIN)
+ scaledPower -= REDUCE_SCALED_POWER_BY_THREE_CHAIN;
+ else
+ scaledPower = 0;
break;
}
scaledPower = max((u16)0, scaledPower);