From: Pavel Emelyanov <xemul@openvz.org>
Date: Thu, 1 Nov 2007 07:34:42 +0000 (-0700)
Subject: [NET]: Auto-zero the allocated sock object
X-Git-Tag: v3.12-rc1~24920^2~11
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3f0666ee3039443fa7b7cf436dd16ce0dd8e3f95;p=kernel%2Fkernel-generic.git

[NET]: Auto-zero the allocated sock object

We have a __GFP_ZERO flag that allocates a zeroed chunk of memory.
Use it in the sk_alloc() and avoid a hand-made memset().

This is a temporary patch that will help us in the nearest future :)

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/sock.c b/net/core/sock.c
index 6ee2ed1..b66f607 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -908,10 +908,12 @@ struct sock *sk_alloc(struct net *net, int family, gfp_t priority,
 {
 	struct sock *sk;
 
+	if (zero_it)
+		priority |= __GFP_ZERO;
+
 	sk = sk_prot_alloc(prot, priority);
 	if (sk) {
 		if (zero_it) {
-			memset(sk, 0, prot->obj_size);
 			sk->sk_family = family;
 			/*
 			 * See comment in struct sock definition to understand