[PATCH] arch_i386_kernel_microcode.c misc_register

From:  Chris Wilson <chris@qwirx.com>

  If the call to devfs_register() fails, then the driver does not deregister
  its misc device before returning an error. This should fix it.

arch/i386/kernel/microcode.c

@@ -139,6 +139,7 @@ static int __init microcode_init(void)
 			&microcode_fops, NULL);
 	if (devfs_handle == NULL && error) {
 		printk(KERN_ERR "microcode: failed to devfs_register()\n");
+		misc_deregister(&microcode_dev);
 		goto out;
 	}
 	error = 0;