Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933441AbbBDM0E (ORCPT ); Wed, 4 Feb 2015 07:26:04 -0500 Received: from mail-wg0-f44.google.com ([74.125.82.44]:38966 "EHLO mail-wg0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755277AbbBDM0C (ORCPT ); Wed, 4 Feb 2015 07:26:02 -0500 From: Lad Prabhakar To: "David S. Miller" , netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Eric Dumazet , "Lad, Prabhakar" Subject: [PATCH] net: core/dev: fix sparse warning Date: Wed, 4 Feb 2015 12:25:46 +0000 Message-Id: <1423052746-3688-1-git-send-email-prabhakar.csengg@gmail.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1153 Lines: 35 From: "Lad, Prabhakar" this patch fixes following sparse warning: net/core/dev.c: In function 'validate_xmit_skb_list': net/core/dev.c:2720: warning: 'tail' may be used uninitialized in this function Although its a false positive, as head is assigned to NULL in the beginning, due which later in the loop tail is assigned to skb->prev. Signed-off-by: Lad, Prabhakar --- net/core/dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/core/dev.c b/net/core/dev.c index 8ce0d1a..c736467 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2717,7 +2717,7 @@ out_null: struct sk_buff *validate_xmit_skb_list(struct sk_buff *skb, struct net_device *dev) { - struct sk_buff *next, *head = NULL, *tail; + struct sk_buff *next, *head = NULL, *tail = NULL; for (; skb != NULL; skb = next) { next = skb->next; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/