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crypto: acomp - allow registration of multiple acomps 

Add crypto_register_acomps and crypto_unregister_acomps to allow
the registration of multiple implementations with one call.

Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Giovanni Cabiddu 2017-04-19 14:23:05 +01:00 committed by Herbert Xu
parent b2a1d27179
commit 3ce5bc72eb
2 changed files with 32 additions and 0 deletions
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29
crypto/acompress.c
View File

@ -166,5 +166,34 @@ int crypto_unregister_acomp(struct acomp_alg *alg)
}
EXPORT_SYMBOL_GPL(crypto_unregister_acomp);
int crypto_register_acomps(struct acomp_alg *algs, int count)
{
int i, ret;
for (i = 0; i < count; i++) {
ret = crypto_register_acomp(&algs[i]);
if (ret)
goto err;
}
return 0;
err:
for (--i; i >= 0; --i)
crypto_unregister_acomp(&algs[i]);
return ret;
}
EXPORT_SYMBOL_GPL(crypto_register_acomps);
void crypto_unregister_acomps(struct acomp_alg *algs, int count)
{
int i;
for (i = count - 1; i >= 0; --i)
crypto_unregister_acomp(&algs[i]);
}
EXPORT_SYMBOL_GPL(crypto_unregister_acomps);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Asynchronous compression type");

3
include/crypto/internal/acompress.h
View File

@ -78,4 +78,7 @@ int crypto_register_acomp(struct acomp_alg *alg);
*/
int crypto_unregister_acomp(struct acomp_alg *alg);
int crypto_register_acomps(struct acomp_alg *algs, int count);
void crypto_unregister_acomps(struct acomp_alg *algs, int count);
#endif