[PATCH] Catch module parameter parsing failures

Radheka Godse <radheka.godse@intel.com> pointed out that parameter parsing
failures allow a module still to be loaded.  Trivial fix.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

kernel/module.c

@@ -1691,6 +1691,9 @@ static struct module *load_module(void __user *umod,
 				 / sizeof(struct kernel_param),
 				 NULL);
 	}
+	if (err < 0)
+		goto arch_cleanup;
+
 	err = mod_sysfs_setup(mod, 
 			      (struct kernel_param *)
 			      sechdrs[setupindex].sh_addr,