The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=9f200bc47b5d8445d91d51f6dfd6af0f1fbbe354
commit 9f200bc47b5d8445d91d51f6dfd6af0f1fbbe354 Author: Konstantin Belousov <[email protected]> AuthorDate: 2021-01-05 18:53:45 +0000 Commit: Konstantin Belousov <[email protected]> CommitDate: 2021-01-10 02:48:29 +0000 tmpfs_free_tmp(): explicitly assert that tmp is locked Despite TMPFS_UNLOCK() is done in both paths later, unlocking not locked mutex provides different failure mode. MFC after: 1 week Sponsored by: The FreeBSD Foundation --- sys/fs/tmpfs/tmpfs_vfsops.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/fs/tmpfs/tmpfs_vfsops.c b/sys/fs/tmpfs/tmpfs_vfsops.c index 125c5bb64120..ba7c654d4f0a 100644 --- a/sys/fs/tmpfs/tmpfs_vfsops.c +++ b/sys/fs/tmpfs/tmpfs_vfsops.c @@ -544,8 +544,9 @@ tmpfs_unmount(struct mount *mp, int mntflags) void tmpfs_free_tmp(struct tmpfs_mount *tmp) { - + TMPFS_MP_ASSERT_LOCKED(tmp); MPASS(tmp->tm_refcount > 0); + tmp->tm_refcount--; if (tmp->tm_refcount > 0) { TMPFS_UNLOCK(tmp); _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/dev-commits-src-all To unsubscribe, send any mail to "[email protected]"
