[openib-general] [PATCH] Opensm - fix segfault on exit - cont.

[Yael Kalka]

Hi Hal,

I've noticed that under certain operating systems, when driver isn't 
loaded, the SM still exits with segfault.
The following patch fixes this.

Thanks,
Yael

Signed-off-by:  Yael Kalka <yael at mellanox.co.il>

Index: libvendor/osm_vendor_ibumad.c
===================================================================
--- libvendor/osm_vendor_ibumad.c       (revision 4522)
+++ libvendor/osm_vendor_ibumad.c       (working copy)
@@ -552,7 +552,7 @@ osm_vendor_delete(
 
        /* umad receiver thread ? */
        p_ur = (*pp_vend)->receiver;
-       if (&p_ur->signal)
+       if (&p_ur->signal != NULL)
                cl_event_destroy( &p_ur->signal );
        cl_spinlock_destroy( &(*pp_vend)->cb_lock );
        cl_spinlock_destroy( &(*pp_vend)->match_tbl_lock );