From 16ebb03ba24c5241025a86aa6f2cd60f9667e849 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 13 Jul 2017 10:48:00 +0300
Subject: [PATCH] IB/cxgb3: Fix error codes in iwch_alloc_mr()

commit 9064d6055c14f700aa13f7c72fd3e63d12bee643 upstream.

We accidentally don't set the error code on some error paths.  It means
return ERR_PTR(0) which is NULL and results in a NULL dereference in the
caller.

Fixes: 13a239330abd ("RDMA/cxgb3: Don't ignore insert_handle() failures")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
[bwh: Backported to 3.2: drop inapplicable hunk]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
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