From: Sjur Brændeland <sjur.brandeland@stericsson.com>
Date: Mon, 11 Apr 2011 10:43:52 +0000 (+0000)
Subject: caif: Add BUG_ON if dev_info is missing in packet
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=39b9afbb4c0750742eb61b7a015e12f483e0b4a3;p=linux-beck.git

caif: Add BUG_ON if dev_info is missing in packet

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/caif/cfmuxl.c b/net/caif/cfmuxl.c
index ebfda2c9290b..fc2497468571 100644
--- a/net/caif/cfmuxl.c
+++ b/net/caif/cfmuxl.c
@@ -188,7 +188,8 @@ static int cfmuxl_transmit(struct cflayer *layr, struct cfpkt *pkt)
 	u8 linkid;
 	struct cflayer *dn;
 	struct caif_payload_info *info = cfpkt_info(pkt);
-	dn = get_dn(muxl, cfpkt_info(pkt)->dev_info);
+	BUG_ON(!info);
+	dn = get_dn(muxl, info->dev_info);
 	if (dn == NULL) {
 		pr_warn("Send data on unknown phy ID = %d (0x%x)\n",
 			info->dev_info->id, info->dev_info->id);