Re: [PATCH] RDMA/mlx5: Remove redundant assignment to ret

From: Leon Romanovsky
Date: Thu May 06 2021 - 07:32:10 EST


On Thu, May 06, 2021 at 06:13:21PM +0800, Yang Li wrote:
> Variable 'ret' is set to the rerurn value of function
> mlx5_mr_cache_alloc() but this value is never read as it is
> overwritten with a new value later on, hence it is a redundant
> assignment and can be removed
>
> Clean up the following clang-analyzer warning:
>
> drivers/infiniband/hw/mlx5/odp.c:421:2: warning: Value stored to 'ret'
> is never read [clang-analyzer-deadcode.DeadStores]
>
> Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
> Signed-off-by: Yang Li <yang.lee@xxxxxxxxxxxxxxxxx>
> ---
> drivers/infiniband/hw/mlx5/odp.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>

Fixes: e6fb246ccafb ("RDMA/mlx5: Consolidate MR destruction to mlx5_ib_dereg_mr()")

Thanks,
Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx>