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authorJohannes Berg <johannes.berg@intel.com>2013-05-06 15:54:58 +0200
committerJohannes Berg <johannes.berg@intel.com>2013-05-16 22:38:06 +0200
commit655914ab863bcc06c84270e4159fd59002d6b529 (patch)
tree52ee816bda3761a4efa64243f94dd656c358a30a /net/mac80211/tkip.c
parentf6b3d85f7f6d66f890862d763b2ed092c5dd4322 (diff)
downloadlinux-stericsson-655914ab863bcc06c84270e4159fd59002d6b529.tar.gz
mac80211: use just spin_lock() in ieee80211_get_tkip_p2k()
ieee80211_get_tkip_p2k() may be called with interrupts disabled, so spin_unlock_bh() isn't safe and leads to warnings. Since it's always called with BHs disabled already, just use spin_lock(). Cc: stable@vger.kernel.org Reported-by: Milan Kocian <milon@wq.cz> Acked-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/tkip.c')
-rw-r--r--net/mac80211/tkip.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/mac80211/tkip.c b/net/mac80211/tkip.c
index 3ed801d90f1e..124b1fdc20d0 100644
--- a/net/mac80211/tkip.c
+++ b/net/mac80211/tkip.c
@@ -208,10 +208,10 @@ void ieee80211_get_tkip_p2k(struct ieee80211_key_conf *keyconf,
u32 iv32 = get_unaligned_le32(&data[4]);
u16 iv16 = data[2] | (data[0] << 8);
- spin_lock_bh(&key->u.tkip.txlock);
+ spin_lock(&key->u.tkip.txlock);
ieee80211_compute_tkip_p1k(key, iv32);
tkip_mixing_phase2(tk, ctx, iv16, p2k);
- spin_unlock_bh(&key->u.tkip.txlock);
+ spin_unlock(&key->u.tkip.txlock);
}
EXPORT_SYMBOL(ieee80211_get_tkip_p2k);