From: Joseph Sutton <josephsutton@catalyst.net.nz>
Date: Mon, 7 Mar 2022 07:28:05 +0000 (+1300)
Subject: compression: Remove redundant nibble_index check
X-Git-Tag: talloc-2.3.4~169
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b62fbc4a535a84167ee4ddff244e66536742a618;p=thirdparty%2Fsamba.git

compression: Remove redundant nibble_index check

If nibble_index is non-zero, we have already written to it, and so don't
need to check again that it is in bounds.

Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
---

diff --git a/lib/compression/lzxpress.c b/lib/compression/lzxpress.c
index 222a5119c9f..b7b365f165c 100644
--- a/lib/compression/lzxpress.c
+++ b/lib/compression/lzxpress.c
@@ -158,7 +158,6 @@ ssize_t lzxpress_compress(const uint8_t *uncompressed,
 					compressed[nibble_index] = MIN(match_len, 15);
 					compressed_pos += sizeof(uint8_t);
 				} else {
-					__CHECK_BYTES(max_compressed_size, nibble_index, sizeof(uint8_t));
 					compressed[nibble_index] |= MIN(match_len, 15) << 4;
 					nibble_index = 0;
 				}