[openib-general] [PATCH] tweaks to canceling MAD based on feedback.

[Sean Hefty]

Patch based on feedback from Krishna for canceling a MAD.

-- Index: access/ib_mad.c
===================================================================
--- access/ib_mad.c	(revision 912)
+++ access/ib_mad.c	(working copy)
@@ -1002,7 +1002,7 @@
 			mad_send_wr->refcount--;
 		}
 
-		if (mad_send_wr->refcount <= 0) {
+		if (mad_send_wr->refcount == 0) {
 			list_del(&mad_send_wr->agent_send_list);
 			list_add_tail(&mad_send_wr->agent_send_list,
 				      &cancel_list);
@@ -1024,9 +1024,7 @@
 		list_del(&mad_send_wr->agent_send_list);
 		kfree(mad_send_wr);
 
-		/* Release reference on agent taken when sending. */
-		if (atomic_dec_and_test(&mad_agent_priv->refcount))
-			wake_up(&mad_agent_priv->wait);
+		atomic_dec(&mad_agent_priv->refcount);
 	}
 }