--- src/sys/dev/usbmisc/umodem/umodem.c	2007/08/02 22:13:47	1.18
+++ src/sys/dev/usbmisc/umodem/umodem.c	2007/08/07 10:04:10	1.19
@@ -108,7 +108,7 @@ int	umodemdebug = 0;
 SYSCTL_NODE(_hw_usb, OID_AUTO, umodem, CTLFLAG_RW, 0, "USB umodem");
 SYSCTL_INT(_hw_usb_umodem, OID_AUTO, debug, CTLFLAG_RW,
 	   &umodemdebug, 0, "umodem debug level");
-#define DPRINTFN(n, x)	if (umodemdebug > (n)) kprintf x
+#define DPRINTFN(n, x) do { if (umodemdebug > (n)) kprintf x; } while (0)
 #else
 #define DPRINTFN(n, x)
 #endif