Changeset fec6bf2 in mainline

Timestamp:

2011-10-07T17:14:26Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

49a98c8

Parents:

6f05705

Message:

usbhub: Check size before touching configuration descriptor.

File:

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

uspace/drv/bus/usb/usbhub/usbhub.c

@@ -313 +313 @@
         }
 
-        // TODO: Make sure that there is enough data and the cast is correct
+        if (usb_device->descriptors.configuration_size
+            < sizeof(usb_standard_configuration_descriptor_t)) {
+            usb_log_error("Configuration descriptor is not big enough"
+                " to fit standard configuration descriptor.\n");
+            return EOVERFLOW;
+        }
+
+        // TODO: Make sure that the cast is correct
         usb_standard_configuration_descriptor_t *config_descriptor
             = (usb_standard_configuration_descriptor_t *)