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SubjectRe: [PATCH] tty: serial: 8250: remove set but unused variable
On Thu, Dec 05, 2019 at 08:11:43PM +0800, Xiongfeng Wang wrote:
> Fix the following warning:
> drivers/tty/serial/8250/serial_cs.c: In function multi_config:
> drivers/tty/serial/8250/serial_cs.c:562:7: warning: variable err set but not used [-Wunused-but-set-variable]
>
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com>
> ---
> drivers/tty/serial/8250/serial_cs.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/tty/serial/8250/serial_cs.c b/drivers/tty/serial/8250/serial_cs.c
> index c8186a0..eeda6a0 100644
> --- a/drivers/tty/serial/8250/serial_cs.c
> +++ b/drivers/tty/serial/8250/serial_cs.c
> @@ -559,16 +559,13 @@ static int multi_config(struct pcmcia_device *link)
> */
> if (info->manfid == MANFID_OXSEMI || (info->manfid == MANFID_POSSIO &&
> info->prodid == PRODID_POSSIO_GCC)) {
> - int err;
> -
> if (link->config_index == 1 ||
> link->config_index == 3) {
> - err = setup_serial(link, info, base2,
> - link->irq);
> + setup_serial(link, info, base2, link->irq);
> base2 = link->resource[0]->start;
> } else {
> - err = setup_serial(link, info, link->resource[0]->start,
> - link->irq);
> + setup_serial(link, info, link->resource[0]->start,
> + link->irq);

Again, why ignore the error value?

greg k-h

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