From: Lucinda May Phipps <landfillbaby69@gmail.com>
Date: Fri, 13 May 2022 07:48:17 +0000 (+0100)
Subject: crc32_acle.c: make logic more consistent
X-Git-Tag: 2.1.0-beta1~204
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1fac5a348402c2bd7fc273dda7613a94c1e469eb;p=thirdparty%2Fzlib-ng.git

crc32_acle.c: make logic more consistent
---

diff --git a/arch/arm/crc32_acle.c b/arch/arm/crc32_acle.c
index 68cdafa31..db730e246 100644
--- a/arch/arm/crc32_acle.c
+++ b/arch/arm/crc32_acle.c
@@ -22,7 +22,7 @@ uint32_t crc32_acle(uint32_t crc, const uint8_t *buf, uint64_t len) {
         len--;
     }
 
-    if ((len > sizeof(uint16_t)) && ((ptrdiff_t)buf & sizeof(uint16_t))) {
+    if ((len >= sizeof(uint16_t)) && ((ptrdiff_t)buf & sizeof(uint16_t))) {
         buf2 = (const uint16_t *) buf;
         c = __crc32h(c, *buf2++);
         len -= sizeof(uint16_t);
@@ -32,7 +32,7 @@ uint32_t crc32_acle(uint32_t crc, const uint8_t *buf, uint64_t len) {
     }
 
 #if defined(__aarch64__)
-    if ((len > sizeof(uint32_t)) && ((ptrdiff_t)buf & sizeof(uint32_t))) {
+    if ((len >= sizeof(uint32_t)) && ((ptrdiff_t)buf & sizeof(uint32_t))) {
         c = __crc32w(c, *buf4++);
         len -= sizeof(uint32_t);
     }