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

diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c
index 1cfab32..f6ae3ec 100644 (file)
--- a/arch/ia64/ia32/binfmt_elf32.c
+++ b/arch/ia64/ia32/binfmt_elf32.c
@@ -240,7 +240,7 @@ 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;
 }

diff --git a/fs/exec.c b/fs/exec.c
index 65825bd..550ae9b 100644 (file)
--- 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);

diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index 6b834dc..63d5436 100644 (file)
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -73,7 +73,7 @@ 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 int __must_check remove_arg_zero(struct linux_binprm *);