Re: [PATCH v2] KEYS: trusted: add missing MODULE_DESCRIPTION()

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On 6/4/2024 9:43 AM, Jarkko Sakkinen wrote:
> On Thu May 30, 2024 at 5:43 PM EEST, Jeff Johnson wrote:
>> kbuild reports:
>>
>> WARNING: modpost: missing MODULE_DESCRIPTION() in security/keys/trusted-keys/trusted.o
>>
>> Add the missing MODULE_DESCRIPTION() macro invocation.
>>
>> Signed-off-by: Jeff Johnson <quic_jjohnson@xxxxxxxxxxx>
>> ---
>> Changes in v2:
>> - reword commit text per Jarkko's guidance
>> - Link to v1: https://lore.kernel.org/r/20240529-md-trusted-v1-1-56c9a0ae8e28@xxxxxxxxxxx
>> ---
>>  security/keys/trusted-keys/trusted_core.c | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/security/keys/trusted-keys/trusted_core.c b/security/keys/trusted-keys/trusted_core.c
>> index 5113aeae5628..f4ab16d59663 100644
>> --- a/security/keys/trusted-keys/trusted_core.c
>> +++ b/security/keys/trusted-keys/trusted_core.c
>> @@ -395,4 +395,5 @@ static void __exit cleanup_trusted(void)
>>  late_initcall(init_trusted);
>>  module_exit(cleanup_trusted);
>>  
>> +MODULE_DESCRIPTION("Trusted Key support");
> 
> First this should be just "Trusted key type".

OK, I can make that change in v3

> 
> Second: neither encrypted keys has the description.
> 
> So I'd consider also "Encrypted key type" for that one.
> 
> So this really needs two patches to be done properly.

In my x86 allmodconfig build I'm getting a single warning in security/keys:

WARNING: modpost: missing MODULE_DESCRIPTION() in security/keys/trusted-keys/trusted.o

And my current patch fixes that warning.

But I do see that security/keys/encrypted-keys/encrypted.c has a 
MODULE_LICENSE() but not a MODULE_DESCRIPTION().  Looks like that doesn't 
generate warning because it isn't built as a module, even in an allmodconfig 
build:
CONFIG_TRUSTED_KEYS=m
CONFIG_HAVE_TRUSTED_KEYS=y
CONFIG_TRUSTED_KEYS_TPM=y
CONFIG_TRUSTED_KEYS_TEE=y
CONFIG_ENCRYPTED_KEYS=y

But I'll add a MODULE_DESCRIPTION() in case it is ever built as a module.

/jeff




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