smb: client: Return directly after a failed genlmsg_new() in cifs_swn_send_register_message()

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* Return directly after a call of the function “genlmsg_new” failed
  at the beginning.

* Delete the label “fail” which became unnecessary
  with this refactoring.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Steve French <stfrench@microsoft.com>

Author: elfring

fs/smb/client/cifs_swn.c

@@ -82,10 +82,8 @@ static int cifs_swn_send_register_message(struct cifs_swn_reg *swnreg)
 	int ret;
 
 	skb = genlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
-	if (skb == NULL) {
-		ret = -ENOMEM;
-		goto fail;
-	}
+	if (!skb)
+		return -ENOMEM;
 
 	hdr = genlmsg_put(skb, 0, 0, &cifs_genl_family, 0, CIFS_GENL_CMD_SWN_REGISTER);
 	if (hdr == NULL) {
@@ -172,7 +170,6 @@ static int cifs_swn_send_register_message(struct cifs_swn_reg *swnreg)
 nlmsg_fail:
 	genlmsg_cancel(skb, hdr);
 	nlmsg_free(skb);
-fail:
 	return ret;
 }