3014 	char *full_path, *pos;  in build_unc_path_to_root()  local
3022 	full_path = kmalloc(unc_len + pplen + 1, GFP_KERNEL);  in build_unc_path_to_root()
3023 	if (full_path == NULL)  in build_unc_path_to_root()
3026 	memcpy(full_path, ctx->UNC, unc_len);  in build_unc_path_to_root()
3027 	pos = full_path + unc_len;  in build_unc_path_to_root()
3036 	convert_delimiter(full_path, CIFS_DIR_SEP(cifs_sb));  in build_unc_path_to_root()
3037 	cifs_dbg(FYI, "%s: full_path=%s\n", __func__, full_path);  in build_unc_path_to_root()
3038 	return full_path;  in build_unc_path_to_root()
3058 	char *full_path = NULL, *mdata = NULL;  in expand_dfs_referral()  local
3063 	full_path = build_unc_path_to_root(ctx, cifs_sb, true);  in expand_dfs_referral()
3064 	if (IS_ERR(full_path))  in expand_dfs_referral()
3065 		return PTR_ERR(full_path);  in expand_dfs_referral()
3073 						   full_path + 1, &referral,  in expand_dfs_referral()
3095 	kfree(full_path);  in expand_dfs_referral()
3134 static int do_dfs_failover(const char *path, const char *full_path, struct cifs_sb_info *cifs_sb,  in do_dfs_failover()  argument
3152 	cifs_dbg(FYI, "%s: path=%s full_path=%s\n", __func__, npath, full_path);  in do_dfs_failover()
3181 		mdata = cifs_compose_mount_options(cifs_sb->ctx->mount_options, full_path + 1, &ref,  in do_dfs_failover()
3286 					char *full_path,  in cifs_are_all_path_components_accessible()  argument
3295 	s = full_path;  in cifs_are_all_path_components_accessible()
3322 						     full_path);  in cifs_are_all_path_components_accessible()
3338 	char *full_path;  in is_path_remote()  local
3346 	full_path = cifs_build_path_to_root(ctx, cifs_sb, tcon,  in is_path_remote()
3348 	if (full_path == NULL)  in is_path_remote()
3351 	cifs_dbg(FYI, "%s: full_path: %s\n", __func__, full_path);  in is_path_remote()
3354 					     full_path);  in is_path_remote()
3356 		kfree(full_path);  in is_path_remote()
3362 			cifs_sb, full_path, tcon->Flags & SMB_SHARE_IS_IN_DFS);  in is_path_remote()
3370 	kfree(full_path);  in is_path_remote()
3475 	char *ref_path = NULL, *full_path = NULL;  in cifs_mount()  local
3519 		kfree(full_path);  in cifs_mount()
3520 		full_path = build_unc_path_to_root(ctx, cifs_sb, !!count);  in cifs_mount()
3521 		if (IS_ERR(full_path)) {  in cifs_mount()
3522 			rc = PTR_ERR(full_path);  in cifs_mount()
3523 			full_path = NULL;  in cifs_mount()
3538 			rc = do_dfs_failover(ref_path + 1, full_path, cifs_sb, ctx, root_ses, &xid,  in cifs_mount()
3572 	ref_path = dfs_cache_canonical_path(full_path, cifs_sb->local_nls, cifs_remap(cifs_sb));  in cifs_mount()
3573 	kfree(full_path);  in cifs_mount()
3574 	full_path = NULL;  in cifs_mount()
3616 	kfree(full_path);  in cifs_mount()