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p54spi: workqueue deadlock fix

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29202 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
mb 2011-11-16 22:45:23 +00:00
parent 53a62e28c0
commit b0d9b00ce8
1 changed files with 22 additions and 0 deletions
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22
package/mac80211/patches/852-p54spi-cancel-workqueue-fix.patch Normal file
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@ -0,0 +1,22 @@
Index: compat-wireless-2011-11-04/drivers/net/wireless/p54/p54spi.c
===================================================================
--- compat-wireless-2011-11-04.orig/drivers/net/wireless/p54/p54spi.c 2011-11-16 23:36:01.399952345 +0100
+++ compat-wireless-2011-11-04/drivers/net/wireless/p54/p54spi.c 2011-11-16 23:37:38.799547564 +0100
@@ -584,8 +584,6 @@ static void p54spi_op_stop(struct ieee80
mutex_lock(&priv->mutex);
WARN_ON(priv->fw_state != FW_STATE_READY);
- cancel_work_sync(&priv->work);
-
p54spi_power_off(priv);
spin_lock_irqsave(&priv->tx_lock, flags);
INIT_LIST_HEAD(&priv->tx_pending);
@@ -593,6 +591,8 @@ static void p54spi_op_stop(struct ieee80
priv->fw_state = FW_STATE_OFF;
mutex_unlock(&priv->mutex);
+
+ cancel_work_sync(&priv->work);
}
static int __devinit p54spi_probe(struct spi_device *spi)