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SubjectRe: [PATCH -next] init/main: Use strtobool for param parsing in set_debug_rodata()
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在 2022/10/24 19:00, Mark Rutland 写道:
> On Mon, Oct 24, 2022 at 09:38:17AM +0000, Tong Tiangen wrote:
>> Aftern parsing "full", we can still use strtobool rather than "on" and
>> "off" parsing in set_debug_rodata().
>>
>> Fixes: 2e8cff0a0eee ("arm64: fix rodata=full")
>
> Why do you think this is a fix; what do you believe is broken?
>
> As noted in the commit message for 2e8cff0a0eee, we *deliberately* don't use
> strtobool() here so that we don't accept garbage values like "ful".
>
> NAK to this patch as it stands.
>
> Thanks,
> Mark.

Hi Mark:

Ok, missing that.

Thanks,
Tong.

>
>> Signed-off-by: Tong Tiangen <tongtiangen@huawei.com>
>> ---
>> init/main.c | 8 +-------
>> 1 file changed, 1 insertion(+), 7 deletions(-)
>>
>> diff --git a/init/main.c b/init/main.c
>> index aa21add5f7c5..f420e20b1fa3 100644
>> --- a/init/main.c
>> +++ b/init/main.c
>> @@ -1463,13 +1463,7 @@ static int __init set_debug_rodata(char *str)
>> if (arch_parse_debug_rodata(str))
>> return 0;
>>
>> - if (str && !strcmp(str, "on"))
>> - rodata_enabled = true;
>> - else if (str && !strcmp(str, "off"))
>> - rodata_enabled = false;
>> - else
>> - pr_warn("Invalid option string for rodata: '%s'\n", str);
>> - return 0;
>> + return strtobool(str, &rodata_enabled);
>> }
>> early_param("rodata", set_debug_rodata);
>> #endif
>> --
>> 2.25.1
>>
>
> .

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