From d236dc11a17e8fa29c1b4e0ecc8cf5b9bcc7fcf5 Mon Sep 17 00:00:00 2001 From: Rupesh Gujare Date: Thu, 22 Aug 2013 17:38:49 +0100 Subject: [PATCH] staging: ozwpan: Check error condition before creating endpoint. Check if interface number is correct before creating an end point. Signed-off-by: Rupesh Gujare Signed-off-by: Greg Kroah-Hartman --- drivers/staging/ozwpan/ozhcd.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/staging/ozwpan/ozhcd.c b/drivers/staging/ozwpan/ozhcd.c index 4682d782abe7..d5a3900d4181 100644 --- a/drivers/staging/ozwpan/ozhcd.c +++ b/drivers/staging/ozwpan/ozhcd.c @@ -1247,6 +1247,8 @@ static int oz_build_endpoints_for_interface(struct usb_hcd *hcd, int request_heartbeat = 0; oz_dbg(ON, "interface[%d] = %p\n", if_ix, intf); + if (if_ix >= port->num_iface || port->iface == NULL) + return -ENOMEM; for (i = 0; i < intf->desc.bNumEndpoints; i++) { struct usb_host_endpoint *hep = &intf->endpoint[i]; u8 ep_addr = hep->desc.bEndpointAddress; -- 2.30.2