diff options
| -rw-r--r-- | fs/cifs/cifs_dfs_ref.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c index ec57cdb1590f..57f91311fdaa 100644 --- a/fs/cifs/cifs_dfs_ref.c +++ b/fs/cifs/cifs_dfs_ref.c @@ -151,6 +151,9 @@ char *cifs_compose_mount_options(const char *sb_mountdata, 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 */ |