cifs: minor simplification to smb2_is_network_name_deleted

Trivial change to clarify code in smb2_is_network_name_deleted
Suggested-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/cifs/smb2ops.c

@@ -2459,23 +2459,24 @@ smb2_is_network_name_deleted(char *buf, struct TCP_Server_Info *server)
 	struct cifs_ses *ses;
 	struct cifs_tcon *tcon;
 
-	if (shdr->Status == STATUS_NETWORK_NAME_DELETED) {
-		spin_lock(&cifs_tcp_ses_lock);
-		list_for_each(tmp, &server->smb_ses_list) {
-			ses = list_entry(tmp, struct cifs_ses, smb_ses_list);
-			list_for_each(tmp1, &ses->tcon_list) {
-				tcon = list_entry(tmp1, struct cifs_tcon, tcon_list);
-				if (tcon->tid == shdr->TreeId) {
-					tcon->need_reconnect = true;
-					spin_unlock(&cifs_tcp_ses_lock);
-					pr_warn_once("Server share %s deleted.\n",
-						     tcon->treeName);
-					return;
-				}
+	if (shdr->Status != STATUS_NETWORK_NAME_DELETED)
+		return;
+
+	spin_lock(&cifs_tcp_ses_lock);
+	list_for_each(tmp, &server->smb_ses_list) {
+		ses = list_entry(tmp, struct cifs_ses, smb_ses_list);
+		list_for_each(tmp1, &ses->tcon_list) {
+			tcon = list_entry(tmp1, struct cifs_tcon, tcon_list);
+			if (tcon->tid == shdr->TreeId) {
+				tcon->need_reconnect = true;
+				spin_unlock(&cifs_tcp_ses_lock);
+				pr_warn_once("Server share %s deleted.\n",
+					     tcon->treeName);
+				return;
 			}
 		}
-		spin_unlock(&cifs_tcp_ses_lock);
 	}
+	spin_unlock(&cifs_tcp_ses_lock);
 }
 
 static int