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>

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;
 }