diff options
author | Sujith Manoharan <Sujith.Manoharan@atheros.com> | 2011-02-21 07:48:16 +0530 |
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committer | John W. Linville <linville@tuxdriver.com> | 2011-02-23 16:25:26 -0500 |
commit | ab77c70a15cdff106704a34254341c9a3a11dbc4 (patch) | |
tree | aeb94d7c9e9b5c92a57f5b1817f4bcd349b2fc40 /drivers | |
parent | 1057b7503908e351b399caeeca38f9ef5fcc766c (diff) | |
download | op-kernel-dev-ab77c70a15cdff106704a34254341c9a3a11dbc4.zip op-kernel-dev-ab77c70a15cdff106704a34254341c9a3a11dbc4.tar.gz |
ath9k_htc: Fix error handling in add_interface
Addition of a station might fail - handle this error
properly by removing the VAP on the target.
Also, bail out immediately if the max. no of interfaces
has been reached.
Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/htc_drv_main.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_main.c b/drivers/net/wireless/ath/ath9k/htc_drv_main.c index 4ced5cd..ebc5dbf 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_main.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_main.c @@ -1140,7 +1140,8 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw, if (priv->nvifs >= ATH9K_HTC_MAX_VIF) { ret = -ENOBUFS; - goto out; + mutex_unlock(&priv->mutex); + return ret; } ath9k_htc_ps_wakeup(priv); @@ -1168,18 +1169,19 @@ static int ath9k_htc_add_interface(struct ieee80211_hw *hw, if (ret) goto out; - priv->nvifs++; - /* * We need a node in target to tx mgmt frames * before association. */ ret = ath9k_htc_add_station(priv, vif, NULL); - if (ret) + if (ret) { + WMI_CMD_BUF(WMI_VAP_REMOVE_CMDID, &hvif); goto out; + } priv->ah->opmode = vif->type; priv->vif_slot |= (1 << avp->index); + priv->nvifs++; priv->vif = vif; ath_dbg(common, ATH_DBG_CONFIG, |