linux-kernel - Re: [PATCH] RDMA/mlx4: Remove unnessesary check in mlx4_ib_modify

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Message-ID: <YJekJchyiVv2D+TO@unreal>
Date:   Sun, 9 May 2021 11:58:13 +0300
From:   Leon Romanovsky <leon@...nel.org>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Cc:     yishaih@...dia.com, dledford@...hat.com, jgg@...pe.ca,
        linux-rdma@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] RDMA/mlx4: Remove unnessesary check in
 mlx4_ib_modify_wq()

On Fri, May 07, 2021 at 06:22:41PM +0800, Jiapeng Chong wrote:
> cur_state and new_state are enums and when GCC considers
> them as unsigned, the conditions are never met.
> 
> Clean up the following smatch warning:
> 
> drivers/infiniband/hw/mlx4/qp.c:4258 mlx4_ib_modify_wq() warn: unsigned
> 'cur_state' is never less than zero.
> 
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> ---
>  drivers/infiniband/hw/mlx4/qp.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)

Thanks,
Reviewed-by: Leon Romanovsky <leonro@...dia.com>