Re: [PATCH 7/7] fuse2fs: fix uninitialized variable warnings

Darrick J. Wong
2026-05-05T00:26:51Z

On Mon, May 04, 2026 at 07:33:01PM -0400, Theodore Ts'o wrote:
> Clang treats use of unitialized variables found by static analysis to
> be serious enough that it will emit them by default (even without
> -Wall). So let's fix them up.
>
> Signed-off-by: Theodore Ts'o <tytso@mit.edu>

I wonder why gcc doesn't complain about this??

Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>

--D

> ---
> fuse4fs/fuse4fs.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/fuse4fs/fuse4fs.c b/fuse4fs/fuse4fs.c
> index b883083f8..928473268 100644
> --- a/fuse4fs/fuse4fs.c
> +++ b/fuse4fs/fuse4fs.c
> @@ -2216,7 +2216,7 @@ static void op_mknod(fuse_req_t req, fuse_ino_t fino, const char *name,
> const struct fuse_ctx *ctxt = fuse_req_ctx(req);
> struct fuse4fs *ff = fuse4fs_get(req);
> ext2_filsys fs;
> - ext2_ino_t parent, child;
> + ext2_ino_t parent, child = 0;
> errcode_t err;
> int filetype;
> gid_t gid;
> @@ -2311,7 +2311,7 @@ static void op_mkdir(fuse_req_t req, fuse_ino_t fino, const char *name,
> const struct fuse_ctx *ctxt = fuse_req_ctx(req);
> struct fuse4fs *ff = fuse4fs_get(req);
> ext2_filsys fs;
> - ext2_ino_t parent, child;
> + ext2_ino_t parent, child = 0;
> errcode_t err;
> char *block;
> blk64_t blk;
> @@ -2990,7 +2990,7 @@ static void op_symlink(fuse_req_t req, const char *target, fuse_ino_t fino,
> const struct fuse_ctx *ctxt = fuse_req_ctx(req);
> struct fuse4fs *ff = fuse4fs_get(req);
> ext2_filsys fs;
> - ext2_ino_t parent, child;
> + ext2_ino_t parent, child = 0;
> errcode_t err;
> gid_t gid;
> int ret = 0;
> @@ -6042,7 +6042,7 @@ static int fuse4fs_main(struct fuse_args *args, struct fuse4fs *ff)
> struct fuse_cmdline_opts opts;
> struct fuse_session *se;
> struct fuse_loop_config *loop_config = NULL;
> - int ret;
> + int ret = 0;
>
> if (fuse_parse_cmdline(args, &opts) != 0) {
> ret = 1;
> --
> 2.53.0
>
>