netdev - [PATCH net-next 5/6] 6lowpan: get extra headroom in allocated frame

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1341829351-18485-6-git-send-email-alex.bluesman.smirnov@gmail.com>
Date:	Mon,  9 Jul 2012 14:22:30 +0400
From:	Alexander Smirnov <alex.bluesman.smirnov@...il.com>
To:	davem@...emloft.net, eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org,
	Alexander Smirnov <alex.bluesman.smirnov@...il.com>
Subject: [PATCH net-next 5/6] 6lowpan: get extra headroom in allocated frame

Use netdev_alloc_skb_ip_align() instead of alloc_skb() to get some
extra headroom in case we need to forward this frame in a tunnel or
something else.

Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@...il.com>
---
 net/ieee802154/6lowpan.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c
index e7de085..90ca7ba 100644
--- a/net/ieee802154/6lowpan.c
+++ b/net/ieee802154/6lowpan.c
@@ -660,8 +660,8 @@ lowpan_alloc_new_frame(struct sk_buff *skb, u8 iphc0, u8 len, u8 tag)
 	frame->tag = tag;
 
 	/* allocate buffer for frame assembling */
-	frame->skb = alloc_skb(frame->length +
-			       sizeof(struct ipv6hdr), GFP_ATOMIC);
+	frame->skb = netdev_alloc_skb_ip_align(skb->dev, frame->length +
+					       sizeof(struct ipv6hdr));
 
 	if (!frame->skb)
 		goto skb_err;
-- 
1.7.2.3

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html