cifs: rename reconn_inval_dfs_target()

This function has nothing to do with *invalidation* but setting up the
next target server from a cached referral.

Rename it to reconn_set_next_dfs_target(). While at it, get rid of
some meaningless checks.

Signed-off-by: Paulo Alcantara (SUSE) <[e-mail]>
Reviewed-by: Aurelien Aptel <[e-mail]>
Signed-off-by: Steve French <[e-mail]>

fs/cifs/connect.c

···
 
 #ifdef CONFIG_CIFS_DFS_UPCALL
 /* These functions must be called with server->srv_mutex held */
-static void reconn_inval_dfs_target(struct TCP_Server_Info *server,
-				    struct cifs_sb_info *cifs_sb,
-				    struct dfs_cache_tgt_list *tgt_list,
-				    struct dfs_cache_tgt_iterator **tgt_it)
+static void reconn_set_next_dfs_target(struct TCP_Server_Info *server,
+				       struct cifs_sb_info *cifs_sb,
+				       struct dfs_cache_tgt_list *tgt_list,
+				       struct dfs_cache_tgt_iterator **tgt_it)
 {
 	const char *name;
 
-	if (!cifs_sb || !cifs_sb->origin_fullpath || !tgt_list ||
-	    !server->nr_targets)
+	if (!cifs_sb || !cifs_sb->origin_fullpath)
 		return;
 
 	if (!*tgt_it) {
···
 		 * feature is disabled, then we will retry last server we
 		 * connected to before.
 		 */
-		reconn_inval_dfs_target(server, cifs_sb, &tgt_list, &tgt_it);
+		reconn_set_next_dfs_target(server, cifs_sb, &tgt_list, &tgt_it);
 #endif
 		rc = reconn_set_ipaddr(server);
 		if (rc) {