From: Oliver Hartkopp <socketcan@hartkopp.net>
Date: Tue, 10 Mar 2015 18:03:46 +0000 (+0100)
Subject: net: add comment for sock_efree() usage
X-Git-Tag: v4.0-rc5~26^2~29
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=7768eed8bf1d2e5eefa38c573f15f737a9824052;p=linux.git

net: add comment for sock_efree() usage

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Acked-by: Alexander Duyck <alexander.h.duyck@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/sock.c b/net/core/sock.c
index 93c8b20c91e4..78e89eb7eb70 100644
--- 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);