netdev - [PATCH NEXT 06/10] qlcnic: fix panic while using eth

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: <1283264980-25881-7-git-send-email-amit.salecha@qlogic.com>
Date:	Tue, 31 Aug 2010 07:29:36 -0700
From:	Amit Kumar Salecha <amit.salecha@...gic.com>
To:	davem@...emloft.net
Cc:	netdev@...r.kernel.org, ameen.rahman@...gic.com,
	Rajesh Borundia <rajesh.borundia@...gic.com>
Subject: [PATCH NEXT 06/10] qlcnic: fix panic while using eth_hdr

From: Rajesh Borundia <rajesh.borundia@...gic.com>

o skb->mac_header is not set, so machine panics while using function eth_hdr.

Signed-off-by: Rajesh Borundia <rajesh.borundia@...gic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@...gic.com>
---
 drivers/net/qlcnic/qlcnic_main.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 9a3ebb8..789fe81 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -1991,6 +1991,7 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	struct qlcnic_skb_frag *buffrag;
 	struct cmd_desc_type0 *hwdesc, *first_desc;
 	struct pci_dev *pdev;
+	struct ethhdr *phdr;
 	int i, k;
 
 	u32 producer;
@@ -2003,7 +2004,8 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 	}
 
 	if (adapter->flags & QLCNIC_MACSPOOF) {
-		if (compare_ether_addr(eth_hdr(skb)->h_source,
+		phdr = (struct ethhdr *)skb->data;
+		if (compare_ether_addr(phdr->h_source,
 					adapter->mac_addr))
 			goto drop_packet;
 	}
-- 
1.6.0.2

--
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