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authorLennert Buytenhek <buytenh@wantstofly.org>2010-01-10 14:07:53 +0100
committerJohn W. Linville <linville@tuxdriver.com>2010-01-12 14:20:56 -0500
commit678f415fdc534c0a806fce992e4c62df0eff19d2 (patch)
treeb3313257eca6f22d0ffdb65949c5b22e9c19fbe6 /net/sysctl_net.c
parent5e124bd5e00fcf54df555b368c2dafe6886f1df2 (diff)
downloadlinux-678f415fdc534c0a806fce992e4c62df0eff19d2.tar.bz2
mac80211: flush workqueue before calling driver ->stop() method
Since commit "mwl8k: handle station database update for AP's sta entry via ->sta_notify()", mwl8k every now and then gets a command timeout when ifconfig'ing a STA interface down. This turns out to be due to mwl8k_stop() being called while the work queue item that was scheduled by mwl8k_sta_notify() to remove the STA entry for the associated AP is still queued, and the former disables interrupts so that when the latter eventually runs, a command completion interrupt is never seen. Fix this by changing ieee80211_stop_device() so that the workqueue is flushed before drv_stop() is called, instead of doing it the other way around as is done now. (As ->stop() is allowed to sleep, there isn't any reason for drivers to queue work from within it.) Signed-off-by: Lennert Buytenhek <buytenh@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/sysctl_net.c')
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