mac802154: rx: document ieee802154_rx() context requirement
authorAlexander Aring <alex.aring@gmail.com>
Mon, 27 Oct 2014 16:13:31 +0000 (17:13 +0100)
committerMarcel Holtmann <marcel@holtmann.org>
Mon, 27 Oct 2014 17:07:42 +0000 (18:07 +0100)
This patch is similar like d20ef63d32461332958661df73e21c0ca42601b0
("mac80211: document ieee80211_rx() context requirement"). The
netif_receive_skb call requires with softirqs disabled. This patch
adds a warning if softirqs are pending while calling ieee802154_rx.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
net/mac802154/rx.c

index 2851a3f..c4df321 100644 (file)
@@ -61,6 +61,8 @@ fail:
 
 void ieee802154_rx(struct ieee802154_hw *hw, struct sk_buff *skb)
 {
+       WARN_ON_ONCE(softirq_count() == 0);
+
        mac802154_subif_rx(hw, skb);
 }
 EXPORT_SYMBOL(ieee802154_rx);