Fix to previous patch (make CDCHost demo deallocate pipes when an invalid CDC interface is skipped).

Remove the saving of the USB_GetNextDescriptorComp() return value in all host demos, since it went unused anyway; replaced with a simple check against the success error code for clarity.
This commit is contained in:
Dean Camera 2009-05-15 08:02:30 +00:00
parent fabfdd454a
commit 76d5e99bb8
9 changed files with 46 additions and 34 deletions

View file

@ -49,7 +49,6 @@ uint8_t ProcessConfigurationDescriptor(void)
{
uint8_t* ConfigDescriptorData;
uint16_t ConfigDescriptorSize;
uint8_t ErrorCode;
uint8_t FoundEndpoints = 0;
/* Get Configuration Descriptor size from the device */
@ -71,8 +70,8 @@ uint8_t ProcessConfigurationDescriptor(void)
return InvalidConfigDataReturned;
/* Get the mass storage interface from the configuration descriptor */
if ((ErrorCode = USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
NextMassStorageInterface)))
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
NextMassStorageInterface) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoInterfaceFound;
@ -82,8 +81,8 @@ uint8_t ProcessConfigurationDescriptor(void)
while (FoundEndpoints != ((1 << MASS_STORE_DATA_IN_PIPE) | (1 << MASS_STORE_DATA_OUT_PIPE)))
{
/* Fetch the next bulk endpoint from the current mass storage interface */
if ((ErrorCode = USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
NextInterfaceBulkDataEndpoint)))
if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
NextInterfaceBulkDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
{
/* Descriptor not found, error out */
return NoEndpointFound;