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File bsc1203652.patch of Package zlib (Revision f90b1c627d8fd8fc4b4df9a61eb4611f)

Currently displaying revision f90b1c627d8fd8fc4b4df9a61eb4611f , Show latest

From 4bc07c7c29e8db07ad8200b281e3b848c4751b0a Mon Sep 17 00:00:00 2001
From: Ilya Leoshkevich <iii@linux.ibm.com>
Date: Sat, 17 Sep 2022 15:32:29 +0200
Subject: [PATCH] IBM Z DFLTCC: Fix updating strm.adler with inflate()

inflate() does not update strm.adler with DFLTCC.
Add a missing assignment to dfltcc_inflate() to fix this.
Note that deflate() is not affected.
Also add a test to prevent regressions.
---
 arch/s390/dfltcc_inflate.c   | 2 +-
 test/test_inflate_adler32.cc | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/s390/dfltcc_inflate.c b/arch/s390/dfltcc_inflate.c
index 7a422d97e..b7ecbe275 100644
--- a/contrib/s390/dfltcc.c
+++ b/contrib/s390/dfltcc.c
@@ -115,7 +115,7 @@ dfltcc_inflate_action Z_INTERNAL PREFIX(dfltcc_inflate)(PREFIX3(streamp) strm, i
     state->bits = param->sbb;
     state->whave = param->hl;
     state->wnext = (param->ho + param->hl) & ((1 << HB_BITS) - 1);
-    state->check = state->flags ? ZSWAP32(param->cv) : param->cv;
+    strm->adler = state->check = state->flags ? ZSWAP32(param->cv) : param->cv;
     if (cc == DFLTCC_CC_OP2_CORRUPT && param->oesc != 0) {
         /* Report an error if stream is corrupted */
         state->mode = BAD;

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File bsc1203652.patch of Package zlib (Revision f90b1c627d8fd8fc4b4df9a61eb4611f)

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