[PATCH] staging: erofs: Fix a unused variable 'arg' warning

cgxu519 cgxu519 at gmx.com
Wed Sep 19 13:07:17 AEST 2018


On 09/19/2018 10:16 AM, zhong jiang wrote:
> I find the following warning when compiling the kernel.
>
> drivers/staging/erofs/super.c:195:6: warning: unused variable 'arg' [-Wunused-variable]
>    int arg = 0;
>
> Signed-off-by: zhong jiang <zhongjiang at huawei.com>
> ---
>   drivers/staging/erofs/super.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/drivers/staging/erofs/super.c b/drivers/staging/erofs/super.c
> index 6423592..c04313f 100644
> --- a/drivers/staging/erofs/super.c
> +++ b/drivers/staging/erofs/super.c
> @@ -192,7 +192,9 @@ static int parse_options(struct super_block *sb, char *options)
>   {
>   	substring_t args[MAX_OPT_ARGS];
>   	char *p;
> +#ifdef CONFIG_EROFS_FAULT_INJECTION
>   	int arg = 0;
> +#endif
>   
>   	if (!options)
>   		return 0;

Hi,

The fix has already included in my patch series "staging: erofs: option 
validation for remount and some code cleanups",
so it will be fixed when the series merge into tree and we do not 
encourage surrounding the code with macro in option
parsing for this case.

Thanks,
Chengguang


More information about the Linux-erofs mailing list