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crypto: compress - Return produced bytes in crypto_{,de}compress_{update,final}

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If crypto_{,de}compress_{update,final}() succeed, return the actual number of
bytes produced instead of zero, so their users don't have to calculate that
theirselves.

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Geert Uytterhoeven
2009-05-27 15:05:02 +10:00
committed by Herbert Xu
parent e9736c16da
commit 3ce858cb04
2 changed files with 82 additions and 59 deletions
Download Patch File Download Diff File Expand all files Collapse all files
crypto/zlib.c
+12 -12
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@@ -165,15 +165,15 @@ static int zlib_compress_update(struct crypto_pcomp *tfm,
return -EINVAL;
}
ret = req->avail_out - stream->avail_out;
pr_debug("avail_in %u, avail_out %u (consumed %u, produced %u)\n",
stream->avail_in, stream->avail_out,
req->avail_in - stream->avail_in,
req->avail_out - stream->avail_out);
req->avail_in - stream->avail_in, ret);
req->next_in = stream->next_in;
req->avail_in = stream->avail_in;
req->next_out = stream->next_out;
req->avail_out = stream->avail_out;
return 0;
return ret;
}
static int zlib_compress_final(struct crypto_pcomp *tfm,
@@ -195,15 +195,15 @@ static int zlib_compress_final(struct crypto_pcomp *tfm,
return -EINVAL;
}
ret = req->avail_out - stream->avail_out;
pr_debug("avail_in %u, avail_out %u (consumed %u, produced %u)\n",
stream->avail_in, stream->avail_out,
req->avail_in - stream->avail_in,
req->avail_out - stream->avail_out);
req->avail_in - stream->avail_in, ret);
req->next_in = stream->next_in;
req->avail_in = stream->avail_in;
req->next_out = stream->next_out;
req->avail_out = stream->avail_out;
return 0;
return ret;
}
@@ -280,15 +280,15 @@ static int zlib_decompress_update(struct crypto_pcomp *tfm,
return -EINVAL;
}
ret = req->avail_out - stream->avail_out;
pr_debug("avail_in %u, avail_out %u (consumed %u, produced %u)\n",
stream->avail_in, stream->avail_out,
req->avail_in - stream->avail_in,
req->avail_out - stream->avail_out);
req->avail_in - stream->avail_in, ret);
req->next_in = stream->next_in;
req->avail_in = stream->avail_in;
req->next_out = stream->next_out;
req->avail_out = stream->avail_out;
return 0;
return ret;
}
static int zlib_decompress_final(struct crypto_pcomp *tfm,
@@ -328,15 +328,15 @@ static int zlib_decompress_final(struct crypto_pcomp *tfm,
return -EINVAL;
}
ret = req->avail_out - stream->avail_out;
pr_debug("avail_in %u, avail_out %u (consumed %u, produced %u)\n",
stream->avail_in, stream->avail_out,
req->avail_in - stream->avail_in,
req->avail_out - stream->avail_out);
req->avail_in - stream->avail_in, ret);
req->next_in = stream->next_in;
req->avail_in = stream->avail_in;
req->next_out = stream->next_out;
req->avail_out = stream->avail_out;
return 0;
return ret;
}