please ignore v2 version.
I will send v3 later according to Sven Van Asbroeck 's comments.
On 2019/5/25 16:13, Mao Wenan wrote:
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> drivers/staging/kpc2000/kpc_spi/spi_driver.c: In function
> ‘kp_spi_transfer_one_message’:
> drivers/staging/kpc2000/kpc_spi/spi_driver.c:282:9: warning: variable
> ‘status’ set but not used [-Wunused-but-set-variable]
> int status = 0;
> ^~~~~~
> The variable 'status' is not used any more, remve it.
>
> Signed-off-by: Mao Wenan <maowenan@xxxxxxxxxx>
> ---
> v2: change the subject of the patch.
> ---
> drivers/staging/kpc2000/kpc_spi/spi_driver.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/drivers/staging/kpc2000/kpc_spi/spi_driver.c b/drivers/staging/kpc2000/kpc_spi/spi_driver.c
> index 86df16547a92..16f9518f8d63 100644
> --- a/drivers/staging/kpc2000/kpc_spi/spi_driver.c
> +++ b/drivers/staging/kpc2000/kpc_spi/spi_driver.c
> @@ -279,7 +279,6 @@ kp_spi_transfer_one_message(struct spi_master *master, struct spi_message *m)
> struct kp_spi *kpspi;
> struct spi_transfer *transfer;
> union kp_spi_config sc;
> - int status = 0;
>
> spidev = m->spi;
> kpspi = spi_master_get_devdata(master);
> @@ -332,7 +331,6 @@ kp_spi_transfer_one_message(struct spi_master *master, struct spi_message *m)
> /* do the transfers for this message */
> list_for_each_entry(transfer, &m->transfers, transfer_list) {
> if (transfer->tx_buf == NULL && transfer->rx_buf == NULL && transfer->len) {
> - status = -EINVAL;
> break;
> }
>
> @@ -370,7 +368,6 @@ kp_spi_transfer_one_message(struct spi_master *master, struct spi_message *m)
> m->actual_length += count;
>
> if (count != transfer->len) {
> - status = -EIO;
> break;
> }
> }
>
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