From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Date: Sat, 22 Dec 2018 07:43:32 +0000 Subject: [PATCH] RDMA/mlx5: Signedness bug in UVERBS_HANDLER() Message-Id: <20181222074332.GA7662@kadam> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kernel-janitors@vger.kernel.org The "num_actions" variable needs to be signed for the error handling to work. The maximum number of actions is less than 256 so int type is large enough for that. Fixes: cbfdd442c43e ("IB/uverbs: Add helper to get array size from ptr attribute") Signed-off-by: Dan Carpenter --- drivers/infiniband/hw/mlx5/flow.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/mlx5/flow.c b/drivers/infiniband/hw/mlx5/flow.c index 95cf4b9fc65d..e8a1e4498e3f 100644 --- a/drivers/infiniband/hw/mlx5/flow.c +++ b/drivers/infiniband/hw/mlx5/flow.c @@ -329,7 +329,7 @@ static int UVERBS_HANDLER(MLX5_IB_METHOD_FLOW_ACTION_CREATE_MODIFY_HEADER)( struct mlx5_ib_dev *mdev = to_mdev(uobj->context->device); enum mlx5_ib_uapi_flow_table_type ft_type; struct ib_flow_action *action; - size_t num_actions; + int num_actions; void *in; int ret; -- 2.17.1