4.9-stable review patch. If anyone has any objections, please let me know.
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From: Dan Carpenter dan.carpenter@oracle.com
[ 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 --- drivers/infiniband/hw/mlx5/qp.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- 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 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);