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SubjectRe: [build bug] SCTP, net/sctp/auth.c, ./net/rxrpc/ar-key.c fails to build
Ingo Molnar wrote:
> * Ingo Molnar <mingo@elte.hu> wrote:
>
>> a similar build bug happens with latest -git as well, with SCTP:
>>
>> net/built-in.o: In function `rxrpc_destroy_s':
>> ar-key.c:(.text+0xc5a2b): undefined reference to `crypto_free_tfm'
>> net/built-in.o: In function `rxrpc_instantiate_s':
>> ar-key.c:(.text+0xc5ed9): undefined reference to `crypto_alloc_base'

looks like rx-rpc should select CRYPTO as well..

>> net/built-in.o: In function `sctp_endpoint_put':
>> : undefined reference to `crypto_free_tfm'
>> net/built-in.o: In function `sctp_inet_listen':
>> : undefined reference to `crypto_free_tfm'
>> net/built-in.o: In function `sctp_auth_destroy_hmacs':
>> : undefined reference to `crypto_free_tfm'
>> net/built-in.o: In function `sctp_auth_init_hmacs':
>> : undefined reference to `crypto_alloc_base'
>>
>> this is a build regression over v2.6.23. config attached.
>
> the patch below fix it (or rather, works it around).
>

The patch is an OK workaround, but may not yield a working SCTP.

Let me see if I can do better..

-vlad

> Ingo
>
> ------------->
> Subject: SCTP: fix build bug
> From: Ingo Molnar <mingo@elte.hu>
>
> fix build bug:
>
> net/built-in.o: In function `rxrpc_destroy_s':
> ar-key.c:(.text+0xc5a2b): undefined reference to `crypto_free_tfm'
> net/built-in.o: In function `rxrpc_instantiate_s':
> ar-key.c:(.text+0xc5ed9): undefined reference to `crypto_alloc_base'
> net/built-in.o: In function `sctp_endpoint_put':
> : undefined reference to `crypto_free_tfm'
> net/built-in.o: In function `sctp_inet_listen':
> : undefined reference to `crypto_free_tfm'
> net/built-in.o: In function `sctp_auth_destroy_hmacs':
> : undefined reference to `crypto_free_tfm'
> net/built-in.o: In function `sctp_auth_init_hmacs':
> : undefined reference to `crypto_alloc_base'
>
> Signed-off-by: Ingo Molnar <mingo@elte.hu>
> ---
> net/sctp/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> Index: linux/net/sctp/Kconfig
> ===================================================================
> --- linux.orig/net/sctp/Kconfig
> +++ linux/net/sctp/Kconfig
> @@ -6,7 +6,7 @@ menuconfig IP_SCTP
> tristate "The SCTP Protocol (EXPERIMENTAL)"
> depends on INET && EXPERIMENTAL
> depends on IPV6 || IPV6=n
> - select CRYPTO if SCTP_HMAC_SHA1 || SCTP_HMAC_MD5
> + select CRYPTO
> select CRYPTO_HMAC if SCTP_HMAC_SHA1 || SCTP_HMAC_MD5
> select CRYPTO_SHA1 if SCTP_HMAC_SHA1
> select CRYPTO_MD5 if SCTP_HMAC_MD5
>

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