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/cfveil.c b/net/caif/cfveil.c
index c3b1dec..1a588cd 100644
--- a/net/caif/cfveil.c
+++ b/net/caif/cfveil.c
@@ -96,8 +96,5 @@
 	info->channel_id = service->layer.id;
 	info->hdr_len = 1;
 	info->dev_info = &service->dev_info;
-	ret = layr->dn->transmit(layr->dn, pkt);
-	if (ret < 0)
-		cfpkt_extr_head(pkt, &tmp, 1);
-	return ret;
+	return layr->dn->transmit(layr->dn, pkt);
 }