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ath5k: fix NULL pointer in antenna configuration 

If the channel is not set yet and we configure the antennas just store the
setting. It will be activated during the next reset, when the channel is set.

Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Bruno Randolf 2010-06-07 13:11:19 +09:00 committed by John W. Linville
parent 0f666a0890
commit 436c109adb
1 changed files with 7 additions and 0 deletions
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7
drivers/net/wireless/ath/ath5k/phy.c
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@ -1814,6 +1814,13 @@ ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode)
u8 def_ant, tx_ant, ee_mode;
u32 sta_id1 = 0;
/* if channel is not initialized yet we can't set the antennas
* so just store the mode. it will be set on the next reset */
if (channel == NULL) {
ah->ah_ant_mode = ant_mode;
return;
}
def_ant = ah->ah_def_ant;
ATH5K_TRACE(ah->ah_sc);