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ath9k_hw: min_t() casts u32 to int

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The code here treats very large values of "limit" as less than
MAX_POWER_RATE because of the cast to int.  We should do the compare
as u32 instead.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Dan Carpenter 2011-10-17 10:28:23 +03:00 committed by John W. Linville
parent 5903459102
commit 48ef5c427a
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/ath/ath9k/hw.c
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@ -2579,7 +2579,7 @@ void ath9k_hw_set_txpowerlimit(struct ath_hw *ah, u32 limit, bool test)
struct ath9k_channel *chan = ah->curchan;
struct ieee80211_channel *channel = chan->chan;
reg->power_limit = min_t(int, limit, MAX_RATE_POWER);
reg->power_limit = min_t(u32, limit, MAX_RATE_POWER);
if (test)
channel->max_power = MAX_RATE_POWER / 2;