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[PATCH 05/13] trans: handle invalid responses to dir_lookup requests in
From: |
Justus Winter |
Subject: |
[PATCH 05/13] trans: handle invalid responses to dir_lookup requests in fakeroot |
Date: |
Mon, 9 Dec 2013 15:16:33 +0100 |
* trans/fakeroot.c (netfs_S_dir_lookup): Handle invalid responses to
dir_lookup requests.
---
trans/fakeroot.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/trans/fakeroot.c b/trans/fakeroot.c
index 6e3b5d4..bee018e 100644
--- a/trans/fakeroot.c
+++ b/trans/fakeroot.c
@@ -276,14 +276,21 @@ netfs_S_dir_lookup (struct protid *diruser,
break;
case FS_RETRY_MAGICAL:
- default:
if (file == MACH_PORT_NULL)
{
*retry_port = MACH_PORT_NULL;
*retry_port_type = MACH_MSG_TYPE_COPY_SEND;
return 0;
}
- break;
+ /* Fallthrough. */
+
+ default:
+ /* Invalid response to our dir_lookup request. */
+ if (file != MACH_PORT_NULL)
+ mach_port_deallocate (mach_task_self (), file);
+ *retry_port = MACH_PORT_NULL;
+ *retry_port_type = MACH_MSG_TYPE_COPY_SEND;
+ return EOPNOTSUPP;
}
/* We have a new port to an underlying node.
--
1.7.10.4
- Re: [PATCH 07/13] trans: return nodes locked when creating fake nodes in fakeroot, (continued)
[PATCH 08/13] trans: fix reference counting and destruction of fake nodes, Justus Winter, 2013/12/09
[PATCH 11/13] trans: improve the error handling in fakeauth, Justus Winter, 2013/12/09
[PATCH 09/13] trans: fix locking in fakeroot's netfs_S_dir_lookup, Justus Winter, 2013/12/09
[PATCH 12/13] trans: unlock nodes with faked attributes in fakeroot, Justus Winter, 2013/12/09
[PATCH 05/13] trans: handle invalid responses to dir_lookup requests in fakeroot,
Justus Winter <=
[PATCH 10/13] trans: fix reference counting bug in fakeroot, Justus Winter, 2013/12/09
[PATCH 13/13] console-client: remove spurious pthread_spin_unlocks, Justus Winter, 2013/12/09
Re: More fixes for fakeroot-hurd, Samuel Thibault, 2013/12/09
[PATCH 1/5] utils/settrans: fix the teardown of chrooted environments, Justus Winter, 2013/12/10