linux-kernel - [PATCH 2/2] Make unregister

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Date:	Mon, 16 Jul 2007 17:27:29 +0400
From:	Alexey Dobriyan <adobriyan@...ru>
To:	akpm@...l.org
Cc:	linux-kernel@...r.kernel.org, devel@...nvz.org
Subject: [PATCH 2/2] Make unregister_binfmt() return void

list_del() hardly can fail, so checking for return value is pointless
(and current code always return 0).

Nobody really cared that return value anyway.

Signed-off-by: Alexey Dobriyan <adobriyan@...ru>
---

 arch/ia64/ia32/binfmt_elf32.c |    2 +-
 fs/exec.c                     |    3 +--
 include/linux/binfmts.h       |    3 +--
 3 files changed, 3 insertions(+), 5 deletions(-)

--- a/arch/ia64/ia32/binfmt_elf32.c
+++ b/arch/ia64/ia32/binfmt_elf32.c
@@ -275,7 +275,7 @@ static int __init check_elf32_binfmt(void)
 {
 	if (cpu_uses_ia32el()) {
 		printk("Please use IA-32 EL for executing IA-32 binaries\n");
-		return unregister_binfmt(&elf_format);
+		unregister_binfmt(&elf_format);
 	}
 	return 0;
 }
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -81,12 +81,11 @@ int register_binfmt(struct linux_binfmt * fmt)
 
 EXPORT_SYMBOL(register_binfmt);
 
-int unregister_binfmt(struct linux_binfmt * fmt)
+void unregister_binfmt(struct linux_binfmt * fmt)
 {
 	write_lock(&binfmt_lock);
 	list_del(&fmt->lh);
 	write_unlock(&binfmt_lock);
-	return 0;
 }
 
 EXPORT_SYMBOL(unregister_binfmt);
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -65,7 +65,7 @@ struct linux_binfmt {
 };
 
 extern int register_binfmt(struct linux_binfmt *);
-extern int unregister_binfmt(struct linux_binfmt *);
+extern void unregister_binfmt(struct linux_binfmt *);
 
 extern int prepare_binprm(struct linux_binprm *);
 extern void remove_arg_zero(struct linux_binprm *);

-
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