This patch adds a check to see if a mad_recv_wc exists before a call is
made to free it. This fixes a crash after a call is made to
ib_cm_establish.
Signed-off-by: Sean Hefty <[EMAIL PROTECTED]>
Index: infiniband/core/cm.c
===================================================================
--- infiniband/core/cm.c (revision 1809)
+++ infiniband/core/cm.c (working copy)
@@ -579,7 +579,8 @@ static struct cm_work * cm_dequeue_work(
static void cm_free_work(struct cm_work *work)
{
- ib_free_recv_mad(work->mad_recv_wc);
+ if (work->mad_recv_wc)
+ ib_free_recv_mad(work->mad_recv_wc);
kfree(work);
}
@@ -2528,6 +2529,7 @@ int ib_cm_establish(struct ib_cm_id *cm_
INIT_WORK(&work->work, cm_work_handler, work);
work->local_id = cm_id->local_id;
work->remote_id = cm_id->remote_id;
+ work->mad_recv_wc = NULL;
work->cm_event.event = IB_CM_USER_ESTABLISHED;
queue_work(cm.wq, &work->work);
out:
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