1 files changed, 1 insertions, 140 deletions

diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 020e71fe1454..cae8a52c6d9a 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -60,7 +60,7 @@ void cifs_dfs_release_automount_timer(void)
  * Returns pointer to the built string, or a ERR_PTR. Caller is responsible
  * for freeing the returned string.
  */
-static char *
+char *
 cifs_build_devname(char *nodename, const char *prepath)
 {
 	size_t pplen;
@@ -119,145 +119,6 @@ cifs_build_devname(char *nodename, const char *prepath)
 	return dev;
 }
 
-
-/**
- * cifs_compose_mount_options	-	creates mount options for referral
- * @sb_mountdata:	parent/root DFS mount options (template)
- * @fullpath:		full path in UNC format
- * @ref:		optional server's referral
- * @devname:		return the built cifs device name if passed pointer not NULL
- * creates mount options for submount based on template options sb_mountdata
- * and replacing unc,ip,prefixpath options with ones we've got form ref_unc.
- *
- * Returns: pointer to new mount options or ERR_PTR.
- * Caller is responsible for freeing returned value if it is not error.
- */
-char *cifs_compose_mount_options(const char *sb_mountdata,
-				 const char *fullpath,
-				 const struct dfs_info3_param *ref,
-				 char **devname)
-{
-	int rc;
-	char *name;
-	char *mountdata = NULL;
-	const char *prepath = NULL;
-	int md_len;
-	char *tkn_e;
-	char *srvIP = NULL;
-	char sep = ',';
-	int off, noff;
-
-	if (sb_mountdata == NULL)
-		return ERR_PTR(-EINVAL);
-
-	if (ref) {
-		if (WARN_ON_ONCE(!ref->node_name || ref->path_consumed < 0))
-			return ERR_PTR(-EINVAL);
-
-		if (strlen(fullpath) - ref->path_consumed) {
-			prepath = fullpath + ref->path_consumed;
-			/* skip initial delimiter */
-			if (*prepath == '/' || *prepath == '\\')
-				prepath++;
-		}
-
-		name = cifs_build_devname(ref->node_name, prepath);
-		if (IS_ERR(name)) {
-			rc = PTR_ERR(name);
-			name = NULL;
-			goto compose_mount_options_err;
-		}
-	} else {
-		name = cifs_build_devname((char *)fullpath, NULL);
-		if (IS_ERR(name)) {
-			rc = PTR_ERR(name);
-			name = NULL;
-			goto compose_mount_options_err;
-		}
-	}
-
-	rc = dns_resolve_server_name_to_ip(name, &srvIP, NULL);
-	if (rc < 0) {
-		cifs_dbg(FYI, "%s: Failed to resolve server part of %s to IP: %d\n",
-			 __func__, name, rc);
-		goto compose_mount_options_err;
-	}
-
-	/*
-	 * In most cases, we'll be building a shorter string than the original,
-	 * but we do have to assume that the address in the ip= option may be
-	 * much longer than the original. Add the max length of an address
-	 * string to the length of the original string to allow for worst case.
-	 */
-	md_len = strlen(sb_mountdata) + INET6_ADDRSTRLEN;
-	mountdata = kzalloc(md_len + sizeof("ip=") + 1, GFP_KERNEL);
-	if (mountdata == NULL) {
-		rc = -ENOMEM;
-		goto compose_mount_options_err;
-	}
-
-	/* copy all options except of unc,ip,prefixpath */
-	off = 0;
-	if (strncmp(sb_mountdata, "sep=", 4) == 0) {
-			sep = sb_mountdata[4];
-			strncpy(mountdata, sb_mountdata, 5);
-			off += 5;
-	}
-
-	do {
-		tkn_e = strchr(sb_mountdata + off, sep);
-		if (tkn_e == NULL)
-			noff = strlen(sb_mountdata + off);
-		else
-			noff = tkn_e - (sb_mountdata + off) + 1;
-
-		if (strncasecmp(sb_mountdata + off, "cruid=", 6) == 0) {
-			off += noff;
-			continue;
-		}
-		if (strncasecmp(sb_mountdata + off, "unc=", 4) == 0) {
-			off += noff;
-			continue;
-		}
-		if (strncasecmp(sb_mountdata + off, "ip=", 3) == 0) {
-			off += noff;
-			continue;
-		}
-		if (strncasecmp(sb_mountdata + off, "prefixpath=", 11) == 0) {
-			off += noff;
-			continue;
-		}
-		strncat(mountdata, sb_mountdata + off, noff);
-		off += noff;
-	} while (tkn_e);
-	strcat(mountdata, sb_mountdata + off);
-	mountdata[md_len] = '\0';
-
-	/* copy new IP and ref share name */
-	if (mountdata[strlen(mountdata) - 1] != sep)
-		strncat(mountdata, &sep, 1);
-	strcat(mountdata, "ip=");
-	strcat(mountdata, srvIP);
-
-	if (devname)
-		*devname = name;
-	else
-		kfree(name);
-
-	/*cifs_dbg(FYI, "%s: parent mountdata: %s\n", __func__, sb_mountdata);*/
-	/*cifs_dbg(FYI, "%s: submount mountdata: %s\n", __func__, mountdata );*/
-
-compose_mount_options_out:
-	kfree(srvIP);
-	return mountdata;
-
-compose_mount_options_err:
-	kfree(mountdata);
-	mountdata = ERR_PTR(rc);
-	kfree(name);
-	goto compose_mount_options_out;
-}
-
 /*
  * Create a vfsmount that we can automount
  */