From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Eric W. Biederman" Subject: [PATCH 54/54] if_vlan: Call dev_kfree_skb_any instead of kfree_skb. Date: Mon, 24 Mar 2014 23:05:40 -0700 Message-ID: <1395727540-12148-54-git-send-email-ebiederm@xmission.com> References: <87y4zyhlar.fsf_-_@x220.int.ebiederm.org> <1395727540-12148-1-git-send-email-ebiederm@xmission.com> Cc: eric.dumazet@gmail.com, netdev@vger.kernel.org, xiyou.wangcong@gmail.com, mpm@selenic.com, satyam.sharma@gmail.com, "Eric W. Biederman" To: David Miller Return-path: Received: from out03.mta.xmission.com ([166.70.13.233]:59073 "EHLO out03.mta.xmission.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751754AbaCYGLe (ORCPT ); Tue, 25 Mar 2014 02:11:34 -0400 In-Reply-To: <1395727540-12148-1-git-send-email-ebiederm@xmission.com> Sender: netdev-owner@vger.kernel.org List-ID: From: "Eric W. Biederman" Replace kfree_skb with dev_kfree_skb_any in vlan_insert_tag as vlan_insert_tag can be called from hard irq context (netpoll) and from other contexts. dev_kfree_skb_any is used as vlan_insert_tag only frees the skb if the skb can not be modified to insert a tag, in which case vlan_insert_tag drops the skb. Signed-off-by: "Eric W. Biederman" --- include/linux/if_vlan.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index bbedfb56bd66..d3d2306f00bf 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -288,7 +288,7 @@ static inline struct sk_buff *vlan_insert_tag(struct sk_buff *skb, struct vlan_ethhdr *veth; if (skb_cow_head(skb, VLAN_HLEN) < 0) { - kfree_skb(skb); + dev_kfree_skb_any(skb); return NULL; } veth = (struct vlan_ethhdr *)skb_push(skb, VLAN_HLEN); -- 1.7.10.4