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authorIvo van Doorn <ivdoorn@gmail.com>2008-02-10 22:50:04 +0100
committerJohn W. Linville <linville@tuxdriver.com>2008-02-29 15:37:19 -0500
commite44df9296a8ab9d9160e230d68a1b01015c94e93 (patch)
tree5a9d6a617b61bc8cef0085062c926d1958495be1
parent21795094e2b71b4b11bfb468321046c1336cef69 (diff)
rt2x00: Fix scheduling while atomic errors in usb drivers
Call rt2x00_config_intf() outside of the spinlock context since the call will sleep for USB drivers. By using the ieee80211_if_conf values as arguments we make keep access tp rt2x00_intf thread safe even without the lock. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00mac.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
index 8c24d3b36d2..91b62ddbf9f 100644
--- a/drivers/net/wireless/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
@@ -334,11 +334,18 @@ int rt2x00mac_config_interface(struct ieee80211_hw *hw,
*/
if (conf->type != IEEE80211_IF_TYPE_AP)
memcpy(&intf->bssid, conf->bssid, ETH_ALEN);
- rt2x00lib_config_intf(rt2x00dev, intf, conf->type, NULL, intf->bssid);
spin_unlock(&intf->lock);
/*
+ * Call rt2x00_config_intf() outside of the spinlock context since
+ * the call will sleep for USB drivers. By using the ieee80211_if_conf
+ * values as arguments we make keep access to rt2x00_intf thread safe
+ * even without the lock.
+ */
+ rt2x00lib_config_intf(rt2x00dev, intf, conf->type, NULL, conf->bssid);
+
+ /*
* We only need to initialize the beacon when master mode is enabled.
*/
if (conf->type != IEEE80211_IF_TYPE_AP || !conf->beacon)