device-mapper-multipath/0058-multipath-use-atexit-for-cleanup-handlers.patch
Benjamin Marzinski 1dad67a5af device-mapper-multipath-0.8.5-1
Update Source to upstream version 0.8.5 plus post tag commits
  * Patches 0001-0102 are from
    https://github.com/openSUSE/multipath-tools/tree/queue and are
    already queued for upstream.
Rename files
  * Previous patches 0059-0068 are now patches 0103-0111
2021-01-19 18:06:09 -06:00

111 lines
2.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martin Wilck <mwilck@suse.com>
Date: Wed, 23 Sep 2020 00:30:02 +0200
Subject: [PATCH] multipath: use atexit() for cleanup handlers
Reviewed-by: Benjamin Marzinski <bmarzins@redhat.com>
Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
multipath/main.c | 37 ++++++++++++++++---------------------
1 file changed, 16 insertions(+), 21 deletions(-)
diff --git a/multipath/main.c b/multipath/main.c
index 9ae46ed5..1949a1cd 100644
--- a/multipath/main.c
+++ b/multipath/main.c
@@ -452,13 +452,19 @@ static bool released_to_systemd(void)
return ret;
}
+static struct vectors vecs;
+static void cleanup_vecs(void)
+{
+ free_multipathvec(vecs.mpvec, KEEP_PATHS);
+ free_pathvec(vecs.pathvec, FREE_PATHS);
+}
+
static int
configure (struct config *conf, enum mpath_cmds cmd,
enum devtypes dev_type, char *devpath)
{
vector curmp = NULL;
vector pathvec = NULL;
- struct vectors vecs;
int r = RTVL_FAIL, rc;
int di_flag = 0;
char * refwwid = NULL;
@@ -469,6 +475,7 @@ configure (struct config *conf, enum mpath_cmds cmd,
*/
curmp = vector_alloc();
pathvec = vector_alloc();
+ atexit(cleanup_vecs);
if (!curmp || !pathvec) {
condlog(0, "can not allocate memory");
@@ -580,9 +587,6 @@ out:
if (refwwid)
FREE(refwwid);
- free_multipathvec(curmp, KEEP_PATHS);
- free_pathvec(pathvec, FREE_PATHS);
-
return r;
}
@@ -808,9 +812,13 @@ main (int argc, char *argv[])
bool enable_foreign = false;
libmultipath_init();
+ if (atexit(dm_lib_exit) || atexit(libmultipath_exit))
+ condlog(1, "failed to register cleanup handler for libmultipath: %m");
logsink = 0;
if (init_config(DEFAULT_CONFIGFILE))
exit(RTVL_FAIL);
+ if (atexit(uninit_config))
+ condlog(1, "failed to register cleanup handler for config: %m");
conf = get_multipath_config();
conf->retrigger_tries = 0;
conf->force_sync = 1;
@@ -887,7 +895,7 @@ main (int argc, char *argv[])
break;
case 't':
r = dump_config(conf, NULL, NULL) ? RTVL_FAIL : RTVL_OK;
- goto out_free_config;
+ goto out;
case 'T':
cmd = CMD_DUMP_CONFIG;
break;
@@ -1048,26 +1056,13 @@ main (int argc, char *argv[])
condlog(3, "restart multipath configuration process");
out:
- dm_lib_exit();
-
- cleanup_foreign();
- cleanup_prio();
- cleanup_checkers();
+ put_multipath_config(conf);
+ if (dev)
+ FREE(dev);
if (dev_type == DEV_UEVENT)
closelog();
-out_free_config:
- /*
- * Freeing config must be done after dm_lib_exit(), because
- * the logging function (dm_write_log()), which is called there,
- * references the config.
- */
- put_multipath_config(conf);
- uninit_config();
- libmultipath_exit();
- if (dev)
- FREE(dev);
#ifdef _DEBUG_
dbg_free_final(NULL);
#endif
--
2.17.2