From: Breno Leitao <leitao@linux.vnet.ibm.com>
Date: Tue, 19 Apr 2011 09:39:22 +0000 (+0000)
Subject: ehea: Fix a DLPAR bug on ehea_rereg_mrs().
X-Git-Tag: v2.6.39-rc6~7^2~33
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=6f4d6dc167a001267eeff18bdea0ce3e9108c662;p=~emulex%2Finfiniband.git

ehea: Fix a DLPAR bug on ehea_rereg_mrs().

We are currently continuing if ehea_restart_qps() fails, when we
do a memory DLPAR (remove or add more memory to the system).

This patch just let the NAPI disabled if the ehea_restart_qps()
fails.

Signed-off-by: Breno Leitao <leitao@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index f75d3144b8a..53c0f04b1b2 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -3040,11 +3040,14 @@ static void ehea_rereg_mrs(void)
 
 					if (dev->flags & IFF_UP) {
 						mutex_lock(&port->port_lock);
-						port_napi_enable(port);
 						ret = ehea_restart_qps(dev);
-						check_sqs(port);
-						if (!ret)
+						if (!ret) {
+							check_sqs(port);
+							port_napi_enable(port);
 							netif_wake_queue(dev);
+						} else {
+							netdev_err(dev, "Unable to restart QPS\n");
+						}
 						mutex_unlock(&port->port_lock);
 					}
 				}