worktree: initialize return value for submodule_uses_worktrees

When the worktrees directory is empty, the `ret` will be returned
uninitialized. Fix it by initializing the value.

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/worktree.c b/worktree.c
index d4606aa8cd5ab476599a2f91f9d96ae03389fbab..828fd7a0ad4243749acffb9ef7885e95b8bb2bd0 100644 (file)
--- a/worktree.c
+++ b/worktree.c
@@ -387,7 +387,7 @@ int submodule_uses_worktrees(const char *path)
        struct strbuf sb = STRBUF_INIT;
        DIR *dir;
        struct dirent *d;
-       int ret;
+       int ret = 0;
        struct repository_format format;
 
        submodule_gitdir = git_pathdup_submodule(path, "%s", "");