From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 06 Mar 2018 10:00:31 +0000
Subject: [PATCH] IB/mlx5: Fix an error code in __mlx5_ib_modify_qp()
Message-Id: <20180306100031.GB10474@mwanda>
List-Id: <kernel-janitors.vger.kernel.org>
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To: kernel-janitors@vger.kernel.org

"err" is either zero or possibly uninitialized here.  It should be
-EINVAL.

Fixes: 427c1e7bcd7e ("{IB, net}/mlx5: Move the modify QP operation table to mlx5_ib")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 90bb96292fc4..f9a1174ad7fa 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -3118,8 +3118,10 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp,
 	mlx5_new = to_mlx5_state(new_state);
 
 	if (mlx5_cur >= MLX5_QP_NUM_STATE || mlx5_new >= MLX5_QP_NUM_STATE ||
-	    !optab[mlx5_cur][mlx5_new])
+	    !optab[mlx5_cur][mlx5_new]) {
+		err = -EINVAL;
 		goto out;
+	}
 
 	op = optab[mlx5_cur][mlx5_new];
 	optpar = ib_mask_to_mlx5_opt(attr_mask);