buildroot/package/busybox/busybox-1.5.0-hdparm.patch

--- busybox-1.5.0/miscutils/hdparm.c	Thu Mar 22 22:21:34 2007
+++ busybox-1.5.0-hdparm/miscutils/hdparm.c	Sat Mar 31 12:23:07 2007
@@ -1569,9 +1569,9 @@
 	if (set_mult) {
 		print_flag(get_mult, "multcount", mult);
 #ifdef HDIO_DRIVE_CMD
-		bb_ioctl(fd, HDIO_SET_MULTCOUNT, &mult, "HDIO_SET_MULTCOUNT");
+		bb_ioctl(fd, HDIO_SET_MULTCOUNT, (void *)mult, "HDIO_SET_MULTCOUNT");
 #else
-		force_operation |= (!bb_ioctl(fd, HDIO_SET_MULTCOUNT, &mult, "HDIO_SET_MULTCOUNT"));
+		force_operation |= (!bb_ioctl(fd, HDIO_SET_MULTCOUNT, (void *)mult, "HDIO_SET_MULTCOUNT"));
 #endif
 	}
 	if (set_readonly) {