diff options
Diffstat (limited to 'sys/dev/usb/usb_subr.c')
| -rw-r--r-- | sys/dev/usb/usb_subr.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/sys/dev/usb/usb_subr.c b/sys/dev/usb/usb_subr.c index c9f48b13ccb..606e795c6ce 100644 --- a/sys/dev/usb/usb_subr.c +++ b/sys/dev/usb/usb_subr.c @@ -1,4 +1,4 @@ -/* $OpenBSD: usb_subr.c,v 1.114 2014/12/09 07:05:06 doug Exp $ */ +/* $OpenBSD: usb_subr.c,v 1.115 2014/12/13 21:05:33 doug Exp $ */ /* $NetBSD: usb_subr.c,v 1.103 2003/01/10 11:19:13 augustss Exp $ */ /* $FreeBSD: src/sys/dev/usb/usb_subr.c,v 1.18 1999/11/17 22:33:47 n_hibma Exp $ */ @@ -894,7 +894,7 @@ usbd_probe_and_attach(struct device *parent, struct usbd_device *dev, int port, } nifaces = dev->cdesc->bNumInterface; uaa.configno = dev->cdesc->bConfigurationValue; - ifaces = malloc(nifaces * sizeof(*ifaces), M_USB, M_NOWAIT); + ifaces = mallocarray(nifaces, sizeof(*ifaces), M_USB, M_NOWAIT); if (ifaces == NULL) { err = USBD_NOMEM; goto fail; @@ -905,13 +905,14 @@ usbd_probe_and_attach(struct device *parent, struct usbd_device *dev, int port, uaa.nifaces = nifaces; /* add 1 for possible ugen and 1 for NULL terminator */ - len = (nifaces + 2) * sizeof dv; - dev->subdevs = malloc(len, M_USB, M_NOWAIT | M_ZERO); + dev->subdevs = mallocarray(nifaces + 2, sizeof(dv), M_USB, + M_NOWAIT | M_ZERO); if (dev->subdevs == NULL) { free(ifaces, M_USB, 0); err = USBD_NOMEM; goto fail; } + len = (nifaces + 2) * sizeof(dv); for (i = 0; i < nifaces; i++) { if (usbd_iface_claimed(dev, i)) |