[CIFS] fixed compatibility issue with samba refferal request

treeName part is canonicalized to '/' path separator

Signed-off-by: Igor Mammedov <niallain@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index 95024c0..f6fdecf 100644 (file)
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -93,15 +93,11 @@ static char *cifs_get_share_name(const char *node_name)
        /* find sharename end */
        pSep++;
        pSep = memchr(UNC+(pSep-UNC), '\\', len-(pSep-UNC));
-       if (!pSep) {
-               cERROR(1, ("%s:2 cant find share name in node name: %s",
-                       __func__, node_name));
-               kfree(UNC);
-               return NULL;
+       if (pSep) {
+               /* trim path up to sharename end
+                * now we have share name in UNC */
+               *pSep = 0;
        }
-       /* trim path up to sharename end
-        *          * now we have share name in UNC */
-       *pSep = 0;
 
        return UNC;
 }
@@ -188,7 +184,7 @@ static char *compose_mount_options(const char *sb_mountdata,
                tkn_e = strchr(tkn_e+1, '\\');
                if (tkn_e) {
                        strcat(mountdata, ",prefixpath=");
-                       strcat(mountdata, tkn_e);
+                       strcat(mountdata, tkn_e+1);
                }
        }
 
@@ -244,7 +240,8 @@ static char *build_full_dfs_path_from_dentry(struct dentry *dentry)
                return NULL;
 
        if (cifs_sb->tcon->Flags & SMB_SHARE_IS_IN_DFS) {
-               /* we should use full path name to correct working with 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);
@@ -253,8 +250,14 @@ static char *build_full_dfs_path_from_dentry(struct dentry *dentry)
                        return NULL;
                }
                strncpy(tmp_path, cifs_sb->tcon->treeName, l_max_len);
-               strcat(tmp_path, search_path);
                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 {