From e8064d830ff61630b8896fe1e1debcc98b5c3998 Mon Sep 17 00:00:00 2001 From: Damien Zammit Date: Tue, 28 Jul 2020 20:08:35 +1000 Subject: diskfs: Don't deallocate if dotdot is null in fsys-getroot.c Message-Id: <20200728100837.224336-2-damien@zamaudio.com> --- libdiskfs/fsys-getroot.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libdiskfs/fsys-getroot.c b/libdiskfs/fsys-getroot.c index 735f359a..2c0d15dd 100644 --- a/libdiskfs/fsys-getroot.c +++ b/libdiskfs/fsys-getroot.c @@ -194,7 +194,8 @@ diskfs_S_fsys_getroot (struct diskfs_control *pt, if (! err) { - mach_port_deallocate (mach_task_self (), dotdot); + if (dotdot != MACH_PORT_NULL) + mach_port_deallocate (mach_task_self (), dotdot); *retry = FS_RETRY_NORMAL; *retryname = '\0'; *returned_port = ports_get_right (newpi); -- cgit v1.2.3