diff mbox series

[43/87] ELF: simplify STACK_ALLOC macro

Message ID 20211109023340.BlCjvnGzu%akpm@linux-foundation.org (mailing list archive)
State New
Headers show
Series [01/87] vfs: keep inodes with page cache off the inode shrinker LRU | expand

Commit Message

Andrew Morton Nov. 9, 2021, 2:33 a.m. UTC 
From: Alexey Dobriyan <adobriyan@gmail.com>
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@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

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

Patch

--- 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