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[USBCCGP]

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- reset interface count before loop
- add extra checks

svn path=/trunk/; revision=66483
This commit is contained in:
Johannes Anderwald 2015-02-28 09:48:16 +00:00
parent 7a357f830c
commit 1b229a4827
1 changed files with 11 additions and 0 deletions
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11
reactos/drivers/usb/usbccgp/descriptor.c
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@ -326,6 +326,11 @@ USBCCGP_ScanConfigurationDescriptor(
// count all interface descriptors
//
DescriptorCount = ConfigurationDescriptor->bNumInterfaces;
if (DescriptorCount == 0)
{
DPRINT1("[USBCCGP] DescriptorCount is zero\n");
return STATUS_INVALID_PARAMETER;
}
//
// allocate array holding the interface descriptors
@ -339,6 +344,11 @@ USBCCGP_ScanConfigurationDescriptor(
return STATUS_INSUFFICIENT_RESOURCES;
}
//
// reset interface list count
//
FDODeviceExtension->InterfaceListCount = 0;
do
{
//
@ -350,6 +360,7 @@ USBCCGP_ScanConfigurationDescriptor(
//
// store in interface list
//
ASSERT(FDODeviceExtension->InterfaceListCount < DescriptorCount);
FDODeviceExtension->InterfaceList[FDODeviceExtension->InterfaceListCount].InterfaceDescriptor = InterfaceDescriptor;
FDODeviceExtension->InterfaceListCount++;
}