From: Alexey Dobriyan <adobriyan@gmail.com>
Date: Tue, 9 Nov 2021 02:33:40 +0000 (-0800)
Subject: ELF: simplify STACK_ALLOC macro
X-Git-Tag: v6.1-rc5~2692^2~44
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a43e5e3a0227435e580a9e58f57c5face82368ee;p=platform%2Fkernel%2Flinux-starfive.git

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@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 7537a19..824e26a 100644
--- a/fs/binfmt_elf.c
+++ b/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