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package/mac80211: fix a possible NULL pointer dereference in rt2x00

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@30586 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2012-02-16 17:14:34 +00:00
parent a0ef5265a1
commit 0853b66205
2 changed files with 13 additions and 1 deletions
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12
package/mac80211/patches/607-rt2x00-dont-try-to-destroy-unallocated-workqueue.patch Normal file
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@@ -0,0 +1,12 @@
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -1224,7 +1224,8 @@ void rt2x00lib_remove_dev(struct rt2x00_
cancel_work_sync(&rt2x00dev->rxdone_work);
cancel_work_sync(&rt2x00dev->txdone_work);
}
- destroy_workqueue(rt2x00dev->workqueue);
+ if (rt2x00dev->workqueue)
+ destroy_workqueue(rt2x00dev->workqueue);
/*
* Free the tx status fifo.