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authorPontus Fuchs <pontus.fuchs@gmail.com>2012-05-31 14:34:47 +0400
committerJohn W. Linville <linville@tuxdriver.com>2012-06-06 23:20:22 +0400
commit3b08cf6bd2763bfe9d04fad4d7de29ee7735cd76 (patch)
tree9a660a495c4fa119417be06d61677e1df05b7f02 /net/mac80211/pm.c
parent8c06e8c08e25da6c147c30717aecfcfe3bdcb758 (diff)
downloadlinux-3b08cf6bd2763bfe9d04fad4d7de29ee7735cd76.tar.xz
mac80211: Clear wowlan flag when drv_suspend returns failure
drv_resume can get called without a prior call to drv_suspend. Consider the following steps: 1. Suspend is started but driver's drv_suspend returns error. 2. Suspend is aborted. local->wowlan flag is left set. 3. Interface is removed. 4. Suspend again. This time open_count is 0 so drv_suspend is not called and local->wowlan not cleared. 5. On resume ieee80211_reconfig will call drv_resume since local->wowlan is set. Signed-off-by: Pontus Fuchs <pontus.fuchs@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/pm.c')
-rw-r--r--net/mac80211/pm.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index af1c4e26e965..98c128be3827 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -77,6 +77,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
int err = drv_suspend(local, wowlan);
if (err < 0) {
local->quiescing = false;
+ local->wowlan = false;
return err;
} else if (err > 0) {
WARN_ON(err != 1);