Re: [greybus-dev] [PATCH] staging: greybus: Remove unused local variable

From: Viresh Kumar
Date: Mon May 07 2018 - 01:05:59 EST


On 05-05-18, 23:50, Nathan Chancellor wrote:
> Fixes the following W=1 warning: variable âintf_idâ set but
> not used [-Wunused-but-set-variable]
>
> Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
> ---
> drivers/staging/greybus/svc.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/drivers/staging/greybus/svc.c b/drivers/staging/greybus/svc.c
> index a874fed761a1..a2bb7e1a3db3 100644
> --- a/drivers/staging/greybus/svc.c
> +++ b/drivers/staging/greybus/svc.c
> @@ -1137,7 +1137,6 @@ static int gb_svc_intf_reset_recv(struct gb_operation *op)
> struct gb_svc *svc = gb_connection_get_data(op->connection);
> struct gb_message *request = op->request;
> struct gb_svc_intf_reset_request *reset;
> - u8 intf_id;
>
> if (request->payload_size < sizeof(*reset)) {
> dev_warn(&svc->dev, "short reset request received (%zu < %zu)\n",
> @@ -1146,8 +1145,6 @@ static int gb_svc_intf_reset_recv(struct gb_operation *op)
> }
> reset = request->payload;
>
> - intf_id = reset->intf_id;
> -
> /* FIXME Reset the interface here */
>
> return 0;

Don't you get a new error after removing this, i.e "reset set but unused" ? Or
the sizeof() operation on that suppresses those warnings ..

Acked-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

--
viresh