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authorJohannes Berg <johannes.berg@intel.com>2021-06-08 11:32:29 +0200
committerJohannes Berg <johannes.berg@intel.com>2021-06-09 16:09:20 +0200
commit65bec836da8394b1d56bdec2c478dcac21cf12a4 (patch)
tree7175cbbb3ee70a08c331def51a35b5cb001637cd /net/wireless/sysfs.c
parent43076c1e074359f11c85d7d1b85ede1bbb8ee6b9 (diff)
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: 2fe8ef106238 ("cfg80211: change netdev registration/unregistration semantics") Link: https://lore.kernel.org/r/20210608113226.d564ca69de7c.I2e3c3e5d410b72a4f63bade4fb075df041b3d92f@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/sysfs.c')
-rw-r--r--net/wireless/sysfs.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c
index 9b959e3b09c6..0c3f05c9be27 100644
--- a/net/wireless/sysfs.c
+++ b/net/wireless/sysfs.c
@@ -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;