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autofs-5.0.8 - check for existing offset mount before mounting
From: Ian Kent <raven@themaw.net>
The change that introduced the miscellaneous device for autofs
mount control removed a mount point mounted check from the
mount_autofs_offset() function for when the miscellaneous
device is not used.
But a subsequent change that enabled limited update of the exports
of a hosts mount needed that check. Without it a second occurance
of the offset (corresponding to an export) could be mounted upon
a map re-read.
---
CHANGELOG | 1 +
daemon/direct.c | 3 +--
2 files changed, 2 insertions(+), 2 deletions(-)
--- autofs-5.0.7.orig/CHANGELOG
+++ autofs-5.0.7/CHANGELOG
@@ -80,6 +80,7 @@
- add short host name standard marco variable.
- fix symlink fail message in mount_bind.c.
- add std vars to program map invocation.
+- check for existing offset mount before mounting.
25/07/2012 autofs-5.0.7
=======================
--- autofs-5.0.7.orig/daemon/direct.c
+++ autofs-5.0.7/daemon/direct.c
@@ -671,14 +671,13 @@ int mount_autofs_offset(struct autofs_po
if (!(ret == -1 && errno == ENOENT))
return MOUNT_OFFSET_FAIL;
} else {
-/*
if (is_mounted(_PROC_MOUNTS, me->key, MNTS_AUTOFS)) {
if (ap->state != ST_READMAP)
warn(ap->logopt,
"trigger %s already mounted", me->key);
return MOUNT_OFFSET_OK;
}
-*/
+
if (me->ioctlfd != -1) {
error(ap->logopt, "active offset mount %s", me->key);
return MOUNT_OFFSET_FAIL;