Changeset cf5cbac4 in mainline for uspace/drv/bus

Timestamp:

2018-01-09T17:01:49Z (8 years ago)

Author:

Petr Manek <petr.manek@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

c386d6d

Parents:

c913f71e

Message:

xhci: check if endpoint is NULL before retrieving it

File:

• uspace/drv/bus/usb/xhci/endpoint.c (modified) (1 diff)

uspace/drv/bus/usb/xhci/endpoint.c

@@ -485 +485 @@
 xhci_endpoint_t *xhci_device_get_endpoint(xhci_device_t *dev, usb_endpoint_t ep)
 {
-        return xhci_endpoint_get(dev->base.endpoints[ep]);
+        endpoint_t *ep_base = dev->base.endpoints[ep];
+        if (!ep_base)
+                return NULL;
+
+        return xhci_endpoint_get(ep_base);
 }