From d974b8e8f0ecd67507a40f97d1da59f0e4f9ec9d Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Mon, 7 Nov 2022 11:28:00 +0100 Subject: fs: avoid uninitialized var warning With gcc-12.2.1-clang-15.0.2-glibc-2.36-binutils-2.39-kernel-6.0.5-sanitized we get a warning about path.dentry being used uninitialized: fs/fs.c:1978:43: warning: 'path.dentry' may be used uninitialized -Wmaybe-uninitialized] I can't see how this can really happen. gcc seems to think that this sequence used in lookup_fast() can result in returning 0: if (IS_ERR(dentry)) return PTR_ERR(dentry); This shouldn't happen. Silence the warning by initializing 'path'. Signed-off-by: Sascha Hauer Link: https://lore.barebox.org/20221107102800.3669168-1-s.hauer@pengutronix.de Signed-off-by: Sascha Hauer --- fs/fs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/fs.c b/fs/fs.c index 8f21420494..b5a0912405 100644 --- a/fs/fs.c +++ b/fs/fs.c @@ -1956,7 +1956,7 @@ static inline int step_into(struct nameidata *nd, struct path *path, static int walk_component(struct nameidata *nd, int flags) { - struct path path; + struct path path = {}; int err; /* -- cgit v1.2.3