[IBAL] Fix crash when creating a MAD service with duplicate

settings to an existing one.

git-svn-id: svn://openib.tc.cornell.edu/gen1@153 ad392aa1-c5ef-ae45-8dd8-e69d62a5ef86

diff --git a/trunk/core/al/al_mad.c b/trunk/core/al/al_mad.c
index 6c9d1e734d291fd9465cb813ad45f8a88686eee3..a76b7eb277952ffae69108be200be039c699d6c7 100644 (file)
--- a/trunk/core/al/al_mad.c
+++ b/trunk/core/al/al_mad.c
@@ -1256,13 +1256,16 @@ __destroying_mad_svc(
         * Since the MAD service is being destroyed, the user cannot be issuing\r
         * sends.\r
         */\r
+       if( h_mad_svc->h_mad_reg )\r
+       {\r
 #ifdef CL_KERNEL\r
-       old_irql = KeRaiseIrqlToDpcLevel();\r
+               old_irql = KeRaiseIrqlToDpcLevel();\r
 #endif\r
-       __check_send_queue( h_mad_svc );\r
+               __check_send_queue( h_mad_svc );\r
 #ifdef CL_KERNEL\r
-       KeLowerIrql( old_irql );\r
+               KeLowerIrql( old_irql );\r
 #endif\r
+       }\r
 \r
        cl_timer_destroy( &h_mad_svc->send_timer );\r
 \r