The patch titled
Subject: ELF: simplify STACK_ALLOC macro
has been added to the -mm tree. Its filename is
elf-simplify-stack_alloc-macro.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/elf-simplify-stack_alloc-macro.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/elf-simplify-stack_alloc-macro.patch
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------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: ELF: simplify STACK_ALLOC macro
"A -= B; A" is equivalent to "A -= B".
Link: https://lkml.kernel.org/r/YVmcP256fRMqCwgK@localhost.localdomain
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/binfmt_elf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/binfmt_elf.c~elf-simplify-stack_alloc-macro
+++ a/fs/binfmt_elf.c
@@ -156,7 +156,7 @@ static int padzero(unsigned long elf_bss
#define STACK_ADD(sp, items) ((elf_addr_t __user *)(sp) - (items))
#define STACK_ROUND(sp, items) \
(((unsigned long) (sp - items)) &~ 15UL)
-#define STACK_ALLOC(sp, len) ({ sp -= len ; sp; })
+#define STACK_ALLOC(sp, len) (sp -= len)
#endif
#ifndef ELF_BASE_PLATFORM
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
lib-uninline-simple_strntoull-as-well.patch
elf-fix-overflow-in-total-mapping-size-calculation.patch
elf-simplify-stack_alloc-macro.patch
