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path: root/sys/dev/usb/uhub.c
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Diffstat (limited to 'sys/dev/usb/uhub.c')
-rw-r--r--sys/dev/usb/uhub.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/sys/dev/usb/uhub.c b/sys/dev/usb/uhub.c
index 92ca543b15b..ce9647d68b9 100644
--- a/sys/dev/usb/uhub.c
+++ b/sys/dev/usb/uhub.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: uhub.c,v 1.50 2009/10/13 19:33:19 pirofti Exp $ */
+/* $OpenBSD: uhub.c,v 1.51 2009/11/12 20:16:37 deraadt Exp $ */
/* $NetBSD: uhub.c,v 1.64 2003/02/08 03:32:51 ichiro Exp $ */
/* $FreeBSD: src/sys/dev/usb/uhub.c,v 1.18 1999/11/17 22:33:43 n_hibma Exp $ */
@@ -195,6 +195,12 @@ uhub_attach(struct device *parent, struct device *self, void *aux)
M_USBDEV, M_NOWAIT);
if (hub == NULL)
return;
+ hub->ports = malloc(sizeof(struct usbd_port) * nports,
+ M_USBDEV, M_NOWAIT);
+ if (hub->ports == NULL) {
+ free(hub, M_USBDEV);
+ return;
+ }
dev->hub = hub;
dev->hub->hubsoftc = sc;
hub->explore = uhub_explore;
@@ -320,6 +326,8 @@ uhub_attach(struct device *parent, struct device *self, void *aux)
return;
bad:
+ if (hub->ports)
+ free(hub->ports, M_USBDEV);
if (hub)
free(hub, M_USBDEV);
dev->hub = NULL;
@@ -556,6 +564,8 @@ uhub_detach(struct device *self, int flags)
if (hub->ports[0].tt)
free(hub->ports[0].tt, M_USBDEV);
+ if (hub->ports)
+ free(hub->ports, M_USBDEV);
free(hub, M_USBDEV);
sc->sc_hub->hub = NULL;