From 4b3ffc5918b9968ea6ddee6f6cdf3538072e5ef4 Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Sat, 20 Jan 2024 01:50:48 +0200
Subject: [PATCH] msdosfs_remount_ro(): correct vfs_unbusy() loop

PR:	276408
Reported by:	 John F. Carr
Fixes:	13ccb04589e2c5c840e19b407a59e44cb70ac28e
Sponsored by:	The FreeBSD Foundation
MFC after:	1 week
---
 sys/fs/msdosfs/msdosfs_vfsops.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/sys/fs/msdosfs/msdosfs_vfsops.c b/sys/fs/msdosfs/msdosfs_vfsops.c
index 03c794bad90..258c701bd30 100644
--- a/sys/fs/msdosfs/msdosfs_vfsops.c
+++ b/sys/fs/msdosfs/msdosfs_vfsops.c
@@ -1006,9 +1006,8 @@ msdosfs_remount_ro(void *arg, int pending)
 	}
 	MSDOSFS_UNLOCK_MP(pmp);
 
-	do {
+	while (--pending >= 0)
 		vfs_unbusy(pmp->pm_mountp);
-	} while (--pending >= 0);
 }
 
 void