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Subject[PATCH 6/6] lib: Use existing define with polynomial
Date
Do not define again the polynomial but use header with existing define.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
lib/decompress_bunzip2.c | 3 ++-
lib/xz/xz_crc32.c | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/decompress_bunzip2.c b/lib/decompress_bunzip2.c
index 0234361b24b8..7c4932eed748 100644
--- a/lib/decompress_bunzip2.c
+++ b/lib/decompress_bunzip2.c
@@ -51,6 +51,7 @@
#endif /* STATIC */

#include <linux/decompress/mm.h>
+#include <linux/crc32poly.h>

#ifndef INT_MAX
#define INT_MAX 0x7fffffff
@@ -654,7 +655,7 @@ static int INIT start_bunzip(struct bunzip_data **bdp, void *inbuf, long len,
for (i = 0; i < 256; i++) {
c = i << 24;
for (j = 8; j; j--)
- c = c&0x80000000 ? (c << 1)^0x04c11db7 : (c << 1);
+ c = c&0x80000000 ? (c << 1)^(CRC32_POLY_BE) : (c << 1);
bd->crc32Table[i] = c;
}

diff --git a/lib/xz/xz_crc32.c b/lib/xz/xz_crc32.c
index 34532d14fd4c..25a5d87e2e4c 100644
--- a/lib/xz/xz_crc32.c
+++ b/lib/xz/xz_crc32.c
@@ -15,6 +15,7 @@
* but they are bigger and use more memory for the lookup table.
*/

+#include <linux/crc32poly.h>
#include "xz_private.h"

/*
@@ -29,7 +30,7 @@ STATIC_RW_DATA uint32_t xz_crc32_table[256];

XZ_EXTERN void xz_crc32_init(void)
{
- const uint32_t poly = 0xEDB88320;
+ const uint32_t poly = CRC32_POLY_LE;

uint32_t i;
uint32_t j;
--
2.14.1
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