mac80211: fix ieee80211_xmit call context
ieee80211_xmit() cannot be called with tasklets enabled
because it is normally called from within a tasklet.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 7adaeb2..a204092 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -2241,5 +2241,12 @@
if (!encrypt)
info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
+ /*
+ * The other path calling ieee80211_xmit is from the tasklet,
+ * and while we can handle concurrent transmissions locking
+ * requirements are that we do not come into tx with bhs on.
+ */
+ local_bh_disable();
ieee80211_xmit(sdata, skb);
+ local_bh_enable();
}