diff options
author | Sujith <Sujith.Manoharan@atheros.com> | 2009-03-03 10:16:57 +0530 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2009-03-05 14:39:42 -0500 |
commit | 2554935b08f87e0ce1852635720d2d3ac91fc512 (patch) | |
tree | 16d87bb673f0a9e38a0e46cf6ad9ff9f19537bd8 /drivers/net/wireless | |
parent | b238e90e99fe51aed14d20eae8a6a1c04ce4ca30 (diff) |
ath9k: Lock config_interface() callback with a mutex
Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r-- | drivers/net/wireless/ath9k/main.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index a25dcf949f3..d5b0035e9b9 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -2318,6 +2318,8 @@ static int ath9k_config_interface(struct ieee80211_hw *hw, u32 rfilt = 0; int error, i; + mutex_lock(&sc->mutex); + /* TODO: Need to decide which hw opmode to use for multi-interface * cases */ if (vif->type == NL80211_IFTYPE_AP && @@ -2373,8 +2375,10 @@ static int ath9k_config_interface(struct ieee80211_hw *hw, ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq); error = ath_beacon_alloc(sc, 0); - if (error != 0) + if (error != 0) { + mutex_unlock(&sc->mutex); return error; + } ath_beacon_config(sc, 0); } @@ -2393,6 +2397,8 @@ static int ath9k_config_interface(struct ieee80211_hw *hw, if (vif->type == NL80211_IFTYPE_ADHOC) ath_update_chainmask(sc, 0); + mutex_unlock(&sc->mutex); + return 0; } |