Re: linux-next: build warning after merge of the final tree
From: Herbert Xu
Date: Tue Aug 16 2011 - 02:04:19 EST
On Tue, Aug 16, 2011 at 03:22:34PM +1000, Stephen Rothwell wrote:
> Hi all,
>
> After merging the final tree, today's linux-next build (powerpc
> allyesconfig) produced this warning:
>
> In file included from security/integrity/ima/../integrity.h:16:0,
> from security/integrity/ima/ima.h:27,
> from security/integrity/ima/ima_policy.c:20:
> include/crypto/sha.h:86:10: warning: 'struct shash_desc' declared inside parameter list
> include/crypto/sha.h:86:10: warning: its scope is only this definition or declaration, which is probably not what you want
>
> Introduced by commit 7c390170b493 ("crypto: sha1 - export sha1_update for
> reuse"). I guess you need to include crypto/hash.h in crypto/sha.h.
Thanks for the report.
Does this patch fix the problem?
commit 4619b6bdb71362d95810f475cc61a6de9d0b1904
Author: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Date: Tue Aug 16 14:03:05 2011 +0800
crypto: sha - Fix build error due to crypto_sha1_update
On Tue, Aug 16, 2011 at 03:22:34PM +1000, Stephen Rothwell wrote:
>
> After merging the final tree, today's linux-next build (powerpc
> allyesconfig) produced this warning:
>
> In file included from security/integrity/ima/../integrity.h:16:0,
> from security/integrity/ima/ima.h:27,
> from security/integrity/ima/ima_policy.c:20:
> include/crypto/sha.h:86:10: warning: 'struct shash_desc' declared inside parameter list
> include/crypto/sha.h:86:10: warning: its scope is only this definition or declaration, which is probably not what you want
>
> Introduced by commit 7c390170b493 ("crypto: sha1 - export sha1_update for
> reuse"). I guess you need to include crypto/hash.h in crypto/sha.h.
This patch fixes this by providing a declaration for struct shash_desc.
Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
diff --git a/include/crypto/sha.h b/include/crypto/sha.h
index 83e6be5..c6c9c1f 100644
--- a/include/crypto/sha.h
+++ b/include/crypto/sha.h
@@ -82,6 +82,8 @@ struct sha512_state {
u8 buf[SHA512_BLOCK_SIZE];
};
+struct shash_desc;
+
extern int crypto_sha1_update(struct shash_desc *desc, const u8 *data,
unsigned int len);
Cheers,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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