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[PATCH 2/4] diskfs: Don't deallocate if dotdot is null in fsys-getroot.c
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From: |
Damien Zammit |
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Subject: |
[PATCH 2/4] diskfs: Don't deallocate if dotdot is null in fsys-getroot.c |
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Date: |
Tue, 28 Jul 2020 20:08:35 +1000 |
---
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);
--
2.25.1