+ lib-zlib-remove-redundation-assignement-of-avail_in-dfltcc_gdht.patch added to mm-nonmm-unstable branch

+ lib-zlib-remove-redundation-assignement-of-avail_in-dfltcc_gdht.patch added to mm-nonmm-unstable branch

[Andrew Morton]

The patch titled
     Subject: lib/zlib: remove redundation assignement of avail_in dfltcc_gdht()
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     lib-zlib-remove-redundation-assignement-of-avail_in-dfltcc_gdht.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/lib-zlib-remove-redundation-assignement-of-avail_in-dfltcc_gdht.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Tom Rix <trix@redhat.com>
Subject: lib/zlib: remove redundation assignement of avail_in dfltcc_gdht()
Date: Sat, 28 Jan 2023 08:50:48 -0800

cppcheck reports
lib/zlib_dfltcc/dfltcc_deflate.c:65:21: warning: Redundant assignment of 'avail_in' to itself. [selfAssignment]
    size_t avail_in = avail_in = strm->avail_in;

Only setting avail_in once is needed.

Link: https://lkml.kernel.org/r/20230128165048.1245792-1-trix@redhat.com
Fixes: aa5b395b69b6 ("lib/zlib: add s390 hardware support for kernel zlib_deflate")
Signed-off-by: Tom Rix <trix@redhat.com>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---


--- a/lib/zlib_dfltcc/dfltcc_deflate.c~lib-zlib-remove-redundation-assignement-of-avail_in-dfltcc_gdht
+++ a/lib/zlib_dfltcc/dfltcc_deflate.c
@@ -62,7 +62,7 @@ static void dfltcc_gdht(
 {
     deflate_state *state = (deflate_state *)strm->state;
     struct dfltcc_param_v0 *param = &GET_DFLTCC_STATE(state)->param;
-    size_t avail_in = avail_in = strm->avail_in;
+    size_t avail_in = strm->avail_in;
 
     dfltcc(DFLTCC_GDHT,
            param, NULL, NULL,
_

Patches currently in -mm which might be from trix@redhat.com are

lib-zlib-remove-redundation-assignement-of-avail_in-dfltcc_gdht.patch