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authorJouni Malinen <j@w1.fi>2009-04-18 21:53:15 +0300
committerJohn W. Linville <linville@tuxdriver.com>2009-04-20 16:36:26 -0400
commitd91c01c757bd9659ac10549504586fae610265a4 (patch)
tree17bfe2494a8798f4902892ac1854f301306e5d5f /net/wireless/nl80211.c
parente10a9dfc35ae6bd62bbb83df08297ea06b54d9ce (diff)
downloadlinux-d91c01c757bd9659ac10549504586fae610265a4.tar.gz
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 <johannes@sipsolutions.net> Signed-off-by: Jouni Malinen <j@w1.fi> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 353e1a4ece8..2456e4ee445 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -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: