From acdf82d3360b252877ffcc7c9d90a4f1ee628bc6 Mon Sep 17 00:00:00 2001
From: Alex Zhuravlev <bzzz@whamcloud.com>
Date: Fri, 21 Feb 2025 06:11:06 +0300
Subject: [PATCH] LU-18740 mgs: size_t in contain_valid_fsname()

to fix a build warning with gcc 11.5.0 (Rocky 9.3):

lustre/mgs/mgs_llog.c:4995:13: error: '__builtin_memcmp_eq'
 specified bound [18446744071562067968, 0] exceeds maximum
 object size 9223372036854775807 [-Werror=stringop-overread]
 4995 |         if (memcmp(buf, fsname, namelen) != 0)
      |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~

Test-Parameters: trivial
Signed-off-by: Alex Zhuravlev <bzzz@whamcloud.com>
Change-Id: I77adc19e4d79d4a84a2cfe3c9601f5536ad8cc81
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/58142
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Timothy Day <timday@amazon.com>
Reviewed-by: Arshad Hussain <arshad.hussain@aeoncomputing.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
---
 lustre/mgs/mgs_llog.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lustre/mgs/mgs_llog.c b/lustre/mgs/mgs_llog.c
index 00db6d2..fbe800c 100644
--- a/lustre/mgs/mgs_llog.c
+++ b/lustre/mgs/mgs_llog.c
@@ -4987,7 +4987,7 @@ struct mgs_lcfg_fork_data {
 };
 
 static bool contain_valid_fsname(char *buf, const char *fsname,
-				 int buflen, int namelen)
+				 size_t buflen, size_t namelen)
 {
 	if (buflen < namelen)
 		return false;
-- 
1.8.3.1