linux-kernel - Re: [PATCH] certs: Convert spaces in certs/Makefile to a tab

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Date:   Thu, 9 Jun 2022 19:12:29 +0200
From:   Mickaël Salaün <mic@...ikod.net>
To:     Masahiro Yamada <masahiroy@...nel.org>,
        David Howells <dhowells@...hat.com>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        Jarkko Sakkinen <jarkko@...nel.org>, keyrings@...r.kernel.org,
        Linux Kbuild mailing list <linux-kbuild@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] certs: Convert spaces in certs/Makefile to a tab


On 06/06/2022 18:49, Masahiro Yamada wrote:
> On Mon, Jun 6, 2022 at 9:32 PM David Howells <dhowells@...hat.com> wrote:
>>
>> There's a rule in certs/Makefile for which the command begins with eight
>> spaces.  This results in:
>>
>>          ../certs/Makefile:21: FORCE prerequisite is missing
>>          ../certs/Makefile:21: *** missing separator.  Stop.
>>
>> Fix this by turning the spaces into a tab.
>>
>> Fixes: addf466389d9 ("certs: Check that builtin blacklist hashes are valid")
>> Signed-off-by: David Howells <dhowells@...hat.com>
>> cc: Mickaël Salaün <mic@...ux.microsoft.com>
>> cc: Jarkko Sakkinen <jarkko@...nel.org>
>> cc: keyrings@...r.kernel.org
> 
> 
> Not only 8-space indentation, but also:
> 
>    - config_filename does not exist
>    - $(SYSTEM_BLACKLIST_HASH_LIST_SRCPREFIX) is always empty
>    - $(SYSTEM_BLACKLIST_HASH_LIST_FILENAME) is always empty

These are imported helpers (not only used for this hash list BTW), hence 
not defined in this Makefile.

> 
> 
>> ---
>>
>>   certs/Makefile |    2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/certs/Makefile b/certs/Makefile
>> index bb904f90f139..cb1a9da3fc58 100644
>> --- a/certs/Makefile
>> +++ b/certs/Makefile
>> @@ -18,7 +18,7 @@ CFLAGS_blacklist_hashes.o += -I$(srctree)
>>
>>   targets += blacklist_hashes_checked
>>   $(obj)/blacklist_hashes_checked: $(SYSTEM_BLACKLIST_HASH_LIST_SRCPREFIX)$(SYSTEM_BLACKLIST_HASH_LIST_FILENAME) scripts/check-blacklist-hashes.awk FORCE
>> -       $(call if_changed,check_blacklist_hashes,$(SYSTEM_BLACKLIST_HASH_LIST_SRCPREFIX)$(CONFIG_SYSTEM_BLACKLIST_HASH_LIST))
>> +       $(call if_changed,check_blacklist_hashes,$(SYSTEM_BLACKLIST_HASH_LIST_SRCPREFIX)$(CONFIG_SYSTEM_BLACKLIST_HASH_LIST))
>>   obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_hashes.o
>>   else
>>   obj-$(CONFIG_SYSTEM_BLACKLIST_KEYRING) += blacklist_nohashes.o
>>
>>
> 
> 
> --
> Best Regards
> Masahiro Yamada