Re: [Patch 2/3] elf: clean up fill_note_info()

From: Amerigo Wang
Date: Thu Jul 02 2009 - 05:38:31 EST


Andrew Morton wrote:
On Wed, 1 Jul 2009 01:06:36 -0400
Amerigo Wang <amwang@xxxxxxxxxx> wrote:

+#define NUM_NOTES 6
info->notes = kmalloc(NUM_NOTES * sizeof(struct memelfnote),
GFP_KERNEL);
+#undef NUM_NOTES

That #define amounts to a really perverse code comment.

How about we do this?


Ah, better! No problem for me.

Thank you!
--- a/fs/binfmt_elf.c~elf-clean-up-fill_note_info-fix
+++ a/fs/binfmt_elf.c
@@ -1719,10 +1719,8 @@ static int elf_note_info_init(struct elf
memset(info, 0, sizeof(*info));
INIT_LIST_HEAD(&info->thread_list);
-#define NUM_NOTES 6
- info->notes = kmalloc(NUM_NOTES * sizeof(struct memelfnote),
- GFP_KERNEL);
-#undef NUM_NOTES
+ /* Allocate space for six ELF notes */
+ info->notes = kmalloc(6 * sizeof(struct memelfnote), GFP_KERNEL);
if (!info->notes)
return 0;
info->psinfo = kmalloc(sizeof(*info->psinfo), GFP_KERNEL);
_


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