caif: remove duplicate initialization

"priv" is initialized twice.  I kept the second one, because it is next
to the check for NULL.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c
index a751d9b..e866234 100644
--- a/net/caif/chnl_net.c
+++ b/net/caif/chnl_net.c
@@ -72,13 +72,12 @@
 static int chnl_recv_cb(struct cflayer *layr, struct cfpkt *pkt)
 {
 	struct sk_buff *skb;
-	struct chnl_net *priv  = container_of(layr, struct chnl_net, chnl);
+	struct chnl_net *priv;
 	int pktlen;
 	const u8 *ip_version;
 	u8 buf;
 
 	priv = container_of(layr, struct chnl_net, chnl);
-
 	if (!priv)
 		return -EINVAL;