[PATCH] RDMA/core: Fix error return in _ib_modify_qp()

[Jing Xiangfeng]

Fix to return error code PTR_ERR() from the error handling case instead of
0.

Fixes: 51aab12631dd ("RDMA/core: Get xmit slave for LAG")
Signed-off-by: Jing Xiangfeng <jingxiangfeng@xxxxxxxxxx>
---
 drivers/infiniband/core/verbs.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index 307886737646..bf63c7561e8c 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -1685,8 +1685,10 @@ static int _ib_modify_qp(struct ib_qp *qp, struct ib_qp_attr *attr,
 			slave = rdma_lag_get_ah_roce_slave(qp->device,
 							   &attr->ah_attr,
 							   GFP_KERNEL);
-			if (IS_ERR(slave))
+			if (IS_ERR(slave)) {
+				ret = PTR_ERR(slave);
 				goto out_av;
+			}
 			attr->xmit_slave = slave;
 		}
 	}
-- 
2.17.1