1 files changed, 3 insertions, 2 deletions

diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 3b7e0c1266f7..8719bbe0dcc3 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -48,7 +48,7 @@ char *
 cifs_build_path_to_root(struct smb_vol *vol, struct cifs_sb_info *cifs_sb,
                         struct cifs_tcon *tcon)
 {
-        int pplen = vol->prepath ? strlen(vol->prepath) : 0;
+        int pplen = vol->prepath ? strlen(vol->prepath) + 1 : 0;
         int dfsplen;
         char *full_path = NULL;
 
@@ -69,7 +69,8 @@ cifs_build_path_to_root(struct smb_vol *vol, struct cifs_sb_info *cifs_sb,
 
         if (dfsplen)
                 strncpy(full_path, tcon->treeName, dfsplen);
-        strncpy(full_path + dfsplen, vol->prepath, pplen);
+        full_path[dfsplen] = CIFS_DIR_SEP(cifs_sb);
+        strncpy(full_path + dfsplen + 1, vol->prepath, pplen);
         convert_delimiter(full_path, CIFS_DIR_SEP(cifs_sb));
         full_path[dfsplen + pplen] = 0; /* add trailing null */
         return full_path;