diff options
| author | Gabor Juhos <juhosg@openwrt.org> | 2009-07-24 17:27:21 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-07-29 15:46:03 -0400 |
| commit | 96148326c4b54db5c384def1a5ab285c359d1395 (patch) | |
| tree | 86985eb7ab56819992066500ad215bfea63121a0 /drivers/net/wireless/ath/ath9k/ath9k.h | |
| parent | ff8365ca889cb86ba5bd40fe3047d047bc632f4c (diff) | |
ath9k: fix race with IEEE80211_CONF_PS checks
There is a small window where the mac80211 changes the IEEE80211_CONF_PS
flag, and then informs the driver about the change. We have a race
condition if we are checking the flag in the same time. Avoid it by
introducing a local variable, and using that instead of checking the
IEEE80211_CONF_PS flag directly.
This fix the problem reported by Luis:
http://article.gmane.org/gmane.linux.kernel.wireless.general/34363
Changes-licensed-under: ISC
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/ath9k.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/ath9k.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index e2ebf1a56c0..3a978bfa246 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -573,6 +573,7 @@ struct ath_softc { u32 keymax; DECLARE_BITMAP(keymap, ATH_KEYMAX); u8 splitmic; + bool ps_enabled; unsigned long ps_usecount; enum ath9k_int imask; enum ath9k_ht_extprotspacing ht_extprotspacing; |