From: Bart Van Assche <bart.vanassche@wdc.com>
Date: Mon, 5 Mar 2018 17:58:33 +0000 (-0800)
Subject: IB/hfi1: Add a missing rcu_read_unlock()
X-Git-Tag: v4.17-rc1~94^2~153
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=41904439479e94dd61ac499312e8d8266b13f81d;p=thirdparty%2Fkernel%2Flinux.git

IB/hfi1: Add a missing rcu_read_unlock()

This patch avoids that sparse reports the following:

drivers/infiniband/hw/hfi1/driver.c:251:13: warning: context imbalance in 'rcv_hdrerr' - different lock contexts for basic block

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Cc: Mike Marciniszyn <mike.marciniszyn@intel.com>
Cc: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
---

diff --git a/drivers/infiniband/hw/hfi1/driver.c b/drivers/infiniband/hw/hfi1/driver.c
index addc68e83606f..46d1475b2154f 100644
--- a/drivers/infiniband/hw/hfi1/driver.c
+++ b/drivers/infiniband/hw/hfi1/driver.c
@@ -390,6 +390,7 @@ static void rcv_hdrerr(struct hfi1_ctxtdata *rcd, struct hfi1_pportdata *ppd,
 				svc_type = IB_CC_SVCTYPE_UC;
 				break;
 			default:
+				rcu_read_unlock();
 				goto drop;
 			}