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[dm-devel] [PATCH] dm_mapname fix in multipath-tools-0.4.4-pre11



Hi Christophe,

In multipath-tools-0.4.4-pre11 kpartx/devmapper.c:135:
-------------------------------------------
        mapname = dm_task_get_name(dmt);
out:
        dm_task_destroy(dmt);
        return mapname;
}
-------------------------------------------

dm_task_get_name returns a pointer to dmt->dmi.v4->name
which will be freed at dm_task_destroy() just before return.


--- multipath-tools-0.4.4-pre11/kpartx/devmapper.c      2005-04-07 09:47:26.000000000 -0400
+++ dm-mapname-fix/kpartx/devmapper.c   2005-04-12 04:15:14.990239582 -0400
@@ -132,7 +132,7 @@ dm_mapname(int major, int minor)
        if (!dm_task_run(dmt))
                goto out;

-       mapname = dm_task_get_name(dmt);
+       mapname = strdup(dm_task_get_name(dmt));
 out:
        dm_task_destroy(dmt);
        return mapname;


Regards,
Ky (Kiyoshi Ueda)


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