From: Randy Dunlap rdunlap@infradead.org
[ Upstream commit 11fb479ff5d9872ddff02dd533c16d60372c86b2 ]
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!
Fixes: 126196100063 ("lib/zlib: add s390 hardware support for kernel zlib_inflate") Reported-by: kernel test robot lkp@intel.com Signed-off-by: Randy Dunlap rdunlap@infradead.org Signed-off-by: Andrew Morton akpm@linux-foundation.org Acked-by: Ilya Leoshkevich iii@linux.ibm.com Cc: Mikhail Zaslonko zaslonko@linux.ibm.com Cc: Heiko Carstens hca@linux.ibm.com Cc: Vasily Gorbik gor@linux.ibm.com Cc: Christian Borntraeger borntraeger@de.ibm.com Link: https://lkml.kernel.org/r/20201123191712.4882-1-rdunlap@infradead.org Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- lib/zlib_dfltcc/dfltcc_inflate.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/lib/zlib_dfltcc/dfltcc_inflate.c b/lib/zlib_dfltcc/dfltcc_inflate.c index aa9ef23474df0..db107016d29b3 100644 --- a/lib/zlib_dfltcc/dfltcc_inflate.c +++ b/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);