Commit 65bec836 authored by Johannes Berg's avatar Johannes Berg
Browse files

cfg80211: shut down interfaces on failed resume 

If resume fails, we should shut down all interfaces as the
hardware is probably dead. This was/is already done now in
mac80211, but we need to change that due to locking issues,
so move it here and do it without the wiphy lock held.

Cc: stable@vger.kernel.org
Fixes: 2fe8ef10 ("cfg80211: change netdev registration/unregistration semantics")
Link: https://lore.kernel.org/r/20210608113226.d564ca69de7c.I2e3c3e5d410b72a4f63bade4fb075df041b3d92f@changeid


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 43076c1e

net/wireless/sysfs.c

+4 −0
Original line number Diff line number Diff line
@@ -133,6 +133,10 @@ static int wiphy_resume(struct device *dev) 
	if (rdev->wiphy.registered && rdev->ops->resume)

		ret = rdev_resume(rdev);

	wiphy_unlock(&rdev->wiphy);



	if (ret)

		cfg80211_shutdown_all_interfaces(&rdev->wiphy);



	rtnl_unlock();



	return ret;