IB/mlx5: Fix an error code in __mlx5_ib_modify_qp()

[ Upstream commit 5d414b178e950ce9685c253994cc730893d5d887 ]

"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>
Acked-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index b2ccbc0..abb47e7 100644 (file)
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -2809,8 +2809,10 @@ static int __mlx5_ib_modify_qp(struct ib_qp *ibqp,
                mlx5_ib_qp_disable_pagefaults(qp);
 
        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);