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authorVladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>2014-03-17 15:34:21 +0200
committerJohn W. Linville <linville@tuxdriver.com>2014-03-17 13:44:18 -0400
commit9c3bde56b7e6403a9f86b63bb02c9a5cb74456fa (patch)
tree0e37ac3e088bf7216e2195d8aefc89db9d71669a /drivers/net
parent4cd9e8377f6f18ffabad2cf0967855432db3dbce (diff)
downloadlwn-9c3bde56b7e6403a9f86b63bb02c9a5cb74456fa.tar.gz
lwn-9c3bde56b7e6403a9f86b63bb02c9a5cb74456fa.zip
wil6210: serialize fw_recovery and start_ap
These methods can change device state, serialize with others similar ones like up/down Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/ath/wil6210/cfg80211.c15
-rw-r--r--drivers/net/wireless/ath/wil6210/main.c2
2 files changed, 13 insertions, 4 deletions
diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c
index 597540a307d8..ed5a7e145027 100644
--- a/drivers/net/wireless/ath/wil6210/cfg80211.c
+++ b/drivers/net/wireless/ath/wil6210/cfg80211.c
@@ -609,18 +609,20 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
if (wil_fix_bcon(wil, bcon))
wil_dbg_misc(wil, "Fixed bcon\n");
+ mutex_lock(&wil->mutex);
+
rc = wil_reset(wil);
if (rc)
- return rc;
+ goto out;
/* Rx VRING. */
rc = wil_rx_init(wil);
if (rc)
- return rc;
+ goto out;
rc = wmi_set_ssid(wil, info->ssid_len, info->ssid);
if (rc)
- return rc;
+ goto out;
/* MAC address - pre-requisite for other commands */
wmi_set_mac_address(wil, ndev->dev_addr);
@@ -644,11 +646,13 @@ static int wil_cfg80211_start_ap(struct wiphy *wiphy,
rc = wmi_pcp_start(wil, info->beacon_interval, wmi_nettype,
channel->hw_value);
if (rc)
- return rc;
+ goto out;
netif_carrier_on(ndev);
+out:
+ mutex_unlock(&wil->mutex);
return rc;
}
@@ -658,8 +662,11 @@ static int wil_cfg80211_stop_ap(struct wiphy *wiphy,
int rc = 0;
struct wil6210_priv *wil = wiphy_to_wil(wiphy);
+ mutex_lock(&wil->mutex);
+
rc = wmi_pcp_stop(wil);
+ mutex_unlock(&wil->mutex);
return rc;
}
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index 32ac1b906abe..351925b5d2c8 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -159,6 +159,7 @@ static void wil_fw_error_worker(struct work_struct *work)
if (no_fw_recovery)
return;
+ mutex_lock(&wil->mutex);
switch (wdev->iftype) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_P2P_CLIENT:
@@ -176,6 +177,7 @@ static void wil_fw_error_worker(struct work_struct *work)
default:
break;
}
+ mutex_unlock(&wil->mutex);
}
static int wil_find_free_vring(struct wil6210_priv *wil)