rt2x00: Simplify intf->delayed_flags locking
Instead of protecting delayed_flags with a spinlock use atomic bitops to
make the code more readable.
Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index 97a8911..9597a03 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -110,19 +110,6 @@
{
struct rt2x00_dev *rt2x00dev = data;
struct rt2x00_intf *intf = vif_to_intf(vif);
- int delayed_flags;
-
- /*
- * Copy all data we need during this action under the protection
- * of a spinlock. Otherwise race conditions might occur which results
- * into an invalid configuration.
- */
- spin_lock(&intf->lock);
-
- delayed_flags = intf->delayed_flags;
- intf->delayed_flags = 0;
-
- spin_unlock(&intf->lock);
/*
* It is possible the radio was disabled while the work had been
@@ -133,7 +120,7 @@
if (!test_bit(DEVICE_STATE_ENABLED_RADIO, &rt2x00dev->flags))
return;
- if (delayed_flags & DELAYED_UPDATE_BEACON)
+ if (test_and_clear_bit(DELAYED_UPDATE_BEACON, &intf->delayed_flags))
rt2x00queue_update_beacon(rt2x00dev, vif, true);
}