Don't allow normal users to set idle IO priority



It has all the normal priority inversion problems.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>

parent 7e71af49

fs/ioprio.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -62,6 +62,8 @@ asmlinkage long sys_ioprio_set(int which, int who, int ioprio)

	break;		break;
	case IOPRIO_CLASS_IDLE:		case IOPRIO_CLASS_IDLE:
			if (!capable(CAP_SYS_ADMIN))
			return -EPERM;
	break;		break;
	default:		default:
	return -EINVAL;		return -EINVAL;