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igzip: Fix Stateless Full Flush type0 block bugs

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Prevent type 0 block in stateless full flush from attempting to write a trailer
when it not the end of the stream and fix the values of block_start and
block_end.

Change-Id: Ia8beac20fc244b1b3e5690cbc15d4d4bb8ada68e
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
This commit is contained in:
Roy Oursler 2018-07-31 19:51:22 -04:00
parent a1f8e55d11
commit 49e3329729
1 changed files with 8 additions and 4 deletions
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10
igzip/igzip.c
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@ -1316,10 +1316,10 @@ int isal_deflate_stateless(struct isal_zstream *stream)
stream->next_in = next_in + avail_in;
stream->avail_in = 0;
stream->total_in = total_in + avail_in;
stream->total_in = avail_in;
state->block_next = 0;
state->block_end = avail_in;
state->block_next = stream->total_in - avail_in;
state->block_end = stream->total_in;
stream->next_out = next_out;
stream->avail_out = avail_out;
@ -1337,12 +1337,16 @@ int isal_deflate_stateless(struct isal_zstream *stream)
write_stored_block(stream);
stream->total_in = total_in + avail_in;
if (stream->gzip_flag) {
stream->internal_state.crc = 0;
update_checksum(stream, next_in, avail_in);
}
if (stream->end_of_stream)
write_trailer(stream);
return COMP_OK;
}