Commit d91c01c7 authored by Jouni Malinen's avatar Jouni Malinen Committed by John W. Linville

nl80211: Make nl80211_send_mlme_event() atomic

One of the code paths sending deauth/disassoc events ends up calling
this function with rcu_read_lock held, so we must use GFP_ATOMIC in
allocation routines.
Reported-by: Johannes Berg's avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarJouni Malinen <j@w1.fi>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent e10a9dfc
......@@ -3334,7 +3334,7 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
struct sk_buff *msg;
void *hdr;
msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
msg = nlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
if (!msg)
return;
......@@ -3353,7 +3353,7 @@ static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev,
return;
}
genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_KERNEL);
genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_ATOMIC);
return;
nla_put_failure:
......
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