D27801.id81655.diff
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D27801.id81655.diff
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	Index: usr.sbin/autofs/automount.c
	===================================================================
	--- usr.sbin/autofs/automount.c
	+++ usr.sbin/autofs/automount.c
	@@ -84,6 +84,30 @@
	return (error);
	}

	+static int
	+unmount_by_umount(struct statfs* sfp, bool force)
	+{
	+ FILE *f;
	+ char fsid[sizeof(sfp->f_fsid)*2+1];
	+ size_t i;
	+
	+ if (sfp->f_fsid.val[0] == 0 \|\| sfp->f_fsid.val[1] == 0)
	+ return (-1);
	+
	+ /* umount(8) expects the file system ID to be in hexadecimal format */
	+ for (i = 0; i < sizeof(sfp->f_fsid); i++)
	+ snprintf(fsid+strlen(fsid), sizeof(fsid) - strlen(fsid),
	+ "%02x", ((u_char *)&sfp->f_fsid)[i]);
	+
	+ if (force)
	+ f = auto_popen("umount", "-f", fsid, NULL);
	+ else
	+ f = auto_popen("umount", fsid, NULL);
	+
	+ assert(f != NULL);
	+ return (auto_pclose(f));
	+}
	+
	static const struct statfs *
	find_statfs(const struct statfs mntbuf, int nitems, const char mountpoint)
	{
	@@ -304,7 +328,8 @@
	continue;
	}

	- unmount_by_statfs(&(mntbuf[i]), force);
	+ if (unmount_by_umount(&(mntbuf[i]), force) != 0)
	+ unmount_by_statfs(&(mntbuf[i]), force);
	}
	}