The quilt patch titled
Subject: lib/zlib: fix DFLTCC not flushing EOBS when creating raw streams
has been removed from the -mm tree. Its filename was
lib-zlib-fix-dfltcc-not-flushing-eobs-when-creating-raw-streams.patch
This patch was dropped because it was merged into the mm-nonmm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Mikhail Zaslonko <zaslonko@xxxxxxxxxxxxx>
Subject: lib/zlib: fix DFLTCC not flushing EOBS when creating raw streams
Date: Thu, 26 Jan 2023 14:14:23 +0100
This commit is based on:
https://github.com/zlib-ng/zlib-ng/commit/ca99a88
Link: https://lkml.kernel.org/r/20230126131428.1222214-4-zaslonko@xxxxxxxxxxxxx
Signed-off-by: Mikhail Zaslonko <zaslonko@xxxxxxxxxxxxx>
Acked-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>
Cc: Heiko Carstens <hca@xxxxxxxxxxxxx>
Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/lib/zlib_deflate/deflate.c~lib-zlib-fix-dfltcc-not-flushing-eobs-when-creating-raw-streams
+++ a/lib/zlib_deflate/deflate.c
@@ -451,17 +451,24 @@ int zlib_deflate(
Assert(strm->avail_out > 0, "bug2");
if (flush != Z_FINISH) return Z_OK;
- if (s->noheader) return Z_STREAM_END;
- /* Write the zlib trailer (adler32) */
- putShortMSB(s, (uInt)(strm->adler >> 16));
- putShortMSB(s, (uInt)(strm->adler & 0xffff));
+ if (!s->noheader) {
+ /* Write zlib trailer (adler32) */
+ putShortMSB(s, (uInt)(strm->adler >> 16));
+ putShortMSB(s, (uInt)(strm->adler & 0xffff));
+ }
flush_pending(strm);
/* If avail_out is zero, the application will call deflate again
* to flush the rest.
*/
- s->noheader = -1; /* write the trailer only once! */
- return s->pending != 0 ? Z_OK : Z_STREAM_END;
+ if (!s->noheader) {
+ s->noheader = -1; /* write the trailer only once! */
+ }
+ if (s->pending == 0) {
+ Assert(s->bi_valid == 0, "bi_buf not flushed");
+ return Z_STREAM_END;
+ }
+ return Z_OK;
}
/* ========================================================================= */
_
Patches currently in -mm which might be from zaslonko@xxxxxxxxxxxxx are
