net: add comment for sock_efree() usage

Signed-off-by: Oliver Hartkopp <[email protected]> Acked-by: Alexander Duyck <[email protected]> Signed-off-by: David S. Miller <[email protected]>
jledet · Mar 10, 2015 · 7768eed · 7768eed
1 parent 3f39d62
commit 7768eed
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/net/core/sock.c b/net/core/sock.c
@@ -1655,6 +1655,10 @@ void sock_rfree(struct sk_buff *skb)
 }
 EXPORT_SYMBOL(sock_rfree);
 
+/*
+ * Buffer destructor for skbs that are not used directly in read or write
+ * path, e.g. for error handler skbs. Automatically called from kfree_skb.
+ */
 void sock_efree(struct sk_buff *skb)
 {
 	sock_put(skb->sk);