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crypto: change LZ4 modules to work with new LZ4 module version

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Update the crypto modules using LZ4 compression as well as the test
cases in testmgr.h to work with the new LZ4 module version.

Link: http://lkml.kernel.org/r/1486321748-19085-4-git-send-email-4sschmid@informatik.uni-hamburg.de
Signed-off-by: Sven Schmidt <4sschmid@informatik.uni-hamburg.de>
Cc: Bongkyu Kim <bongkyu.kim@lge.com>
Cc: Rui Salvaterra <rsalvaterra@gmail.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: David S. Miller <davem@davemloft.net>
Cc: Anton Vorontsov <anton@enomsg.org>
Cc: Colin Cross <ccross@android.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Tony Luck <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Sven Schmidt
2017-02-24 15:01:19 -08:00
committed by Linus Torvalds
parent e23d54e483
commit 73a15ac6d5
3 changed files with 120 additions and 68 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
crypto/lz4hc.c
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@ -65,15 +65,13 @@ static void lz4hc_exit(struct crypto_tfm *tfm)
static int __lz4hc_compress_crypto(const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen, void *ctx)
{
size_t tmp_len = *dlen;
int err;
int out_len = LZ4_compress_HC(src, dst, slen,
*dlen, LZ4HC_DEFAULT_CLEVEL, ctx);
err = lz4hc_compress(src, slen, dst, &tmp_len, ctx);
if (err < 0)
if (!out_len)
return -EINVAL;
*dlen = tmp_len;
*dlen = out_len;
return 0;
}
@ -97,16 +95,13 @@ static int lz4hc_compress_crypto(struct crypto_tfm *tfm, const u8 *src,
static int __lz4hc_decompress_crypto(const u8 *src, unsigned int slen,
u8 *dst, unsigned int *dlen, void *ctx)
{
int err;
size_t tmp_len = *dlen;
size_t __slen = slen;
int out_len = LZ4_decompress_safe(src, dst, slen, *dlen);
err = lz4_decompress_unknownoutputsize(src, __slen, dst, &tmp_len);
if (err < 0)
return -EINVAL;
if (out_len < 0)
return out_len;
*dlen = tmp_len;
return err;
*dlen = out_len;
return 0;
}
static int lz4hc_sdecompress(struct crypto_scomp *tfm, const u8 *src,