Re: [PATCH -next] ide-cd: fix warning: variable 'stat' set but not used

[libaokun (A)]

ping

在 2021/5/29 14:17, Baokun Li 写道:
> Fixes gcc '-Wunused-but-set-variable' warning:
>
> drivers/ide/ide-cd_ioctl.c: In function 'ide_cdrom_select_speed':
> drivers/ide/ide-cd_ioctl.c:212:6: warning:
>   variable ‘stat’ set but not used [-Wunused-but-set-variable]
>
> It never used since introduction.
>
> Signed-off-by: Baokun Li <libaokun1@xxxxxxxxxx>
> ---
>   drivers/ide/ide-cd_ioctl.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/drivers/ide/ide-cd_ioctl.c b/drivers/ide/ide-cd_ioctl.c
> index 011eab9c69b7..8d0a52123349 100644
> --- a/drivers/ide/ide-cd_ioctl.c
> +++ b/drivers/ide/ide-cd_ioctl.c
> @@ -231,6 +231,8 @@ int ide_cdrom_select_speed(struct cdrom_device_info *cdi, int speed)
>   	}
>   
>   	stat = ide_cd_queue_pc(drive, cmd, 0, NULL, NULL, NULL, 0, 0);
> +	if (stat)
> +		return stat;
>   
>   	if (!ide_cdrom_get_capabilities(drive, buf)) {
>   		ide_cdrom_update_speed(drive, buf);