caif: Add BUG_ON if dev_info is missing in packet
authorSjur Brændeland <sjur.brandeland@stericsson.com>
Mon, 11 Apr 2011 10:43:52 +0000 (10:43 +0000)
committerDavid S. Miller <davem@davemloft.net>
Mon, 11 Apr 2011 22:08:48 +0000 (15:08 -0700)
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/caif/cfmuxl.c

index ebfda2c9290ba1a4e38c13b4ffd59f302cc50dba..fc249746857189d416dbda4dec1ed091b39b78a0 100644 (file)
@@ -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);