caif: Don't resend if dev_queue_xmit fails.

If CAIF Link Layer returns an error, we no longer try to re-build the
CAIF packet and resend it. Instead, we simply return any transmission
errors to the socket client.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/caif/cfdgml.c b/net/caif/cfdgml.c
index 054fdb5..0382dec 100644
--- a/net/caif/cfdgml.c
+++ b/net/caif/cfdgml.c
@@ -108,10 +108,5 @@
 	 */
 	info->hdr_len = 4;
 	info->dev_info = &service->dev_info;
-	ret = layr->dn->transmit(layr->dn, pkt);
-	if (ret < 0) {
-		u32 tmp32;
-		cfpkt_extr_head(pkt, &tmp32, 4);
-	}
-	return ret;
+	return layr->dn->transmit(layr->dn, pkt);
 }