2021-10-03 12:11:47

by Alexey Dobriyan

[permalink] [raw]
Subject: [PATCH] ELF: simplify STACK_ALLOC macro

"A -= B; A" is equivalent to "A -= B".

Signed-off-by: Alexey Dobriyan <[email protected]>
---

fs/binfmt_elf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- 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