The patch titled
Subject: zlib: export S390 symbols for zlib modules
has been added to the -mm tree. Its filename is
zlib-export-s390-symbols-for-zlib-modules.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/zlib-export-s390-symbols-for-zlib-modules.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/zlib-export-s390-symbols-for-zlib-modules.patch
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------------------------------------------------------
From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Subject: zlib: export S390 symbols for zlib modules
Fix build errors when ZLIB_INFLATE=m and ZLIB_DEFLATE=m and ZLIB_DFLTCC=y
by exporting the 2 needed symbols in dfltcc_inflate.c.
Fixes these build errors:
ERROR: modpost: "dfltcc_inflate" [lib/zlib_inflate/zlib_inflate.ko] undefined!
ERROR: modpost: "dfltcc_can_inflate" [lib/zlib_inflate/zlib_inflate.ko] undefined!
Link: https://lkml.kernel.org/r/20201123191712.4882-1-rdunlap@xxxxxxxxxxxxx
Fixes: 126196100063 ("lib/zlib: add s390 hardware support for kernel zlib_inflate")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Acked-by: Ilya Leoshkevich <iii@xxxxxxxxxxxxx>
Cc: Mikhail Zaslonko <zaslonko@xxxxxxxxxxxxx>
Cc: Heiko Carstens <hca@xxxxxxxxxxxxx>
Cc: Vasily Gorbik <gor@xxxxxxxxxxxxx>
Cc: Christian Borntraeger <borntraeger@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
lib/zlib_dfltcc/dfltcc_inflate.c | 3 +++
1 file changed, 3 insertions(+)
--- a/lib/zlib_dfltcc/dfltcc_inflate.c~zlib-export-s390-symbols-for-zlib-modules
+++ a/lib/zlib_dfltcc/dfltcc_inflate.c
@@ -4,6 +4,7 @@
#include "dfltcc_util.h"
#include "dfltcc.h"
#include <asm/setup.h>
+#include <linux/export.h>
#include <linux/zutil.h>
/*
@@ -29,6 +30,7 @@ int dfltcc_can_inflate(
return is_bit_set(dfltcc_state->af.fns, DFLTCC_XPND) &&
is_bit_set(dfltcc_state->af.fmts, DFLTCC_FMT0);
}
+EXPORT_SYMBOL(dfltcc_can_inflate);
static int dfltcc_was_inflate_used(
z_streamp strm
@@ -147,3 +149,4 @@ dfltcc_inflate_action dfltcc_inflate(
return (cc == DFLTCC_CC_OP1_TOO_SHORT || cc == DFLTCC_CC_OP2_TOO_SHORT) ?
DFLTCC_INFLATE_BREAK : DFLTCC_INFLATE_CONTINUE;
}
+EXPORT_SYMBOL(dfltcc_inflate);
_
Patches currently in -mm which might be from rdunlap@xxxxxxxxxxxxx are
zlib-export-s390-symbols-for-zlib-modules.patch
procfs-delete-duplicated-words-other-fixes.patch
