Re: [PATCH] net: add comment for sock_efree() usage

Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
---
  net/core/sock.c | 4 ++++
  1 file changed, 4 insertions(+)

diff --git a/net/core/sock.c b/net/core/sock.c
index 93c8b20..78e89eb 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);