From mboxrd@z Thu Jan 1 00:00:00 1970 From: 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> Cc: linux-kernel@vger.kernel.org, Eric Dumazet , "Lad, Prabhakar" To: "David S. Miller" , netdev@vger.kernel.org Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 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