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Commit de2db8d7 authored by Igor Mammedov's avatar Igor Mammedov Committed by Steve French
Browse files

Fixed DFS code to work with new 'build_path_from_dentry', that returns full... 


Fixed DFS code to work with new 'build_path_from_dentry', that returns full path if share in the dfs, now.

Signed-off-by: default avatarIgor Mammedov <niallain@gmail.com>
Signed-off-by: default avatarSteve French <sfrench@us.ibm.com>
parent 95b1cb90

fs/cifs/cifs_dfs_ref.c

+1 −48
Original line number Diff line number Diff line
@@ -219,53 +219,6 @@ static struct vfsmount *cifs_dfs_do_refmount(const struct vfsmount *mnt_parent, 


}



static char *build_full_dfs_path_from_dentry(struct dentry *dentry)

{

	char *full_path = NULL;

	char *search_path;

	char *tmp_path;

	size_t l_max_len;

	struct cifs_sb_info *cifs_sb;



	if (dentry->d_inode == NULL)

		return NULL;



	cifs_sb = CIFS_SB(dentry->d_inode->i_sb);



	if (cifs_sb->tcon == NULL)

		return NULL;



	search_path = build_path_from_dentry(dentry);

	if (search_path == NULL)

		return NULL;



	if (cifs_sb->tcon->Flags & SMB_SHARE_IS_IN_DFS) {

		int i;

		/* we should use full path name for correct working with DFS */

		l_max_len = strnlen(cifs_sb->tcon->treeName, MAX_TREE_SIZE+1) +

					strnlen(search_path, MAX_PATHCONF) + 1;

		tmp_path = kmalloc(l_max_len, GFP_KERNEL);

		if (tmp_path == NULL) {

			kfree(search_path);

			return NULL;

		}

		strncpy(tmp_path, cifs_sb->tcon->treeName, l_max_len);

		tmp_path[l_max_len-1] = 0;

		if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)

			for (i = 0; i < l_max_len; i++) {

				if (tmp_path[i] == '\\')

					tmp_path[i] = '/';

			}

		strncat(tmp_path, search_path, l_max_len - strlen(tmp_path));



		full_path = tmp_path;

		kfree(search_path);

	} else {

		full_path = search_path;

	}

	return full_path;

}



static int add_mount_helper(struct vfsmount *newmnt, struct nameidata *nd,

				struct list_head *mntlist)

{
@@ -333,7 +286,7 @@ cifs_dfs_follow_mountpoint(struct dentry *dentry, struct nameidata *nd) 
		goto out_err;

	}



	full_path = build_full_dfs_path_from_dentry(dentry);

	full_path = build_path_from_dentry(dentry);

	if (full_path == NULL) {

		rc = -ENOMEM;

		goto out_err;