use mallocarray()

diff --git a/sys/dev/usb/ugen.c b/sys/dev/usb/ugen.c
index c09747e..29a9b22 100644 (file)
--- a/sys/dev/usb/ugen.c
+++ b/sys/dev/usb/ugen.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: ugen.c,v 1.79 2014/07/12 20:26:33 mpi Exp $ */
+/*     $OpenBSD: ugen.c,v 1.80 2015/01/11 03:07:44 deraadt Exp $ */
 /*     $NetBSD: ugen.c,v 1.63 2002/11/26 18:49:48 christos Exp $       */
 /*     $FreeBSD: src/sys/dev/usb/ugen.c,v 1.26 1999/11/17 22:33:41 n_hibma Exp $       */
 
@@ -347,7 +347,7 @@ ugenopen(dev_t dev, int flag, int mode, struct proc *p)
                        isize = UGETW(edesc->wMaxPacketSize);
                        if (isize == 0) /* shouldn't happen */
                                return (EINVAL);
-                       sce->ibuf = malloc(isize * UGEN_NISOFRAMES,
+                       sce->ibuf = mallocarray(isize, UGEN_NISOFRAMES,
                                M_USBDEV, M_WAITOK);
                        sce->cur = sce->fill = sce->ibuf;
                        sce->limit = sce->ibuf + isize * UGEN_NISOFRAMES;