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esp32-s2_dfu
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Code Issues Releases Activity

fix potential wrong endpoint handle for stalling unsupported scsi command

This commit is contained in:
hathach 2013-12-01 22:34:59 +07:00
parent 24e92f79e7
commit 4b78578266
1 changed files with 12 additions and 7 deletions
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19
tinyusb/class/msc_device.c
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@ -72,12 +72,12 @@ STATIC_VAR mscd_interface_t mscd_data TUSB_CFG_ATTR_USBRAM;
//--------------------------------------------------------------------+
void mscd_init(void)
{
// TODO not implemented
memclr_(&mscd_data, sizeof(mscd_interface_t));
}
void mscd_close(uint8_t coreid)
{
// TODO not implemented yet
memclr_(&mscd_data, sizeof(mscd_interface_t));
}
tusb_error_t mscd_open(uint8_t coreid, tusb_descriptor_interface_t const * p_interface_desc, uint16_t *p_length)
@ -182,6 +182,9 @@ static bool read10_write10_data_xfer(mscd_interface_t* p_msc)
}
}
//--------------------------------------------------------------------+
// MSCD APPLICATION CALLBACK
//--------------------------------------------------------------------+
tusb_error_t mscd_xfer_cb(endpoint_handle_t edpt_hdl, tusb_event_t event, uint32_t xferred_bytes)
{
// TODO failed --> STALL pipe, on clear STALL --> queue endpoint OUT
@ -191,8 +194,9 @@ tusb_error_t mscd_xfer_cb(endpoint_handle_t edpt_hdl, tusb_event_t event, uint32
msc_cmd_block_wrapper_t * const p_cbw = &p_msc->cbw;
msc_cmd_status_wrapper_t * const p_csw = &p_msc->csw;
//------------- new CBW received -------------//
if ( !is_waiting_read10_write10)
{ // new CBW received
{
if ( endpointhandle_is_equal(p_msc->edpt_in, edpt_hdl) ) return TUSB_ERROR_NONE; // bulk in interrupt for dcd to clean up
ASSERT( endpointhandle_is_equal(p_msc->edpt_out, edpt_hdl) &&
@ -207,7 +211,7 @@ tusb_error_t mscd_xfer_cb(endpoint_handle_t edpt_hdl, tusb_event_t event, uint32
if ( (SCSI_CMD_READ_10 != p_cbw->command[0]) && (SCSI_CMD_WRITE_10 != p_cbw->command[0]) )
{
void *p_buffer = NULL;
uint16_t actual_length = p_cbw->xfer_bytes;
uint16_t actual_length = (uint16_t) p_cbw->xfer_bytes;
p_csw->status = tusbd_msc_scsi_received_isr(edpt_hdl.coreid, p_cbw->lun, p_cbw->command, &p_buffer, &actual_length);
@ -215,14 +219,15 @@ tusb_error_t mscd_xfer_cb(endpoint_handle_t edpt_hdl, tusb_event_t event, uint32
if ( p_cbw->xfer_bytes )
{
ASSERT( p_cbw->xfer_bytes >= actual_length, TUSB_ERROR_INVALID_PARA );
endpoint_handle_t const edpt_data = BIT_TEST_(p_cbw->dir, 7) ? p_msc->edpt_in : p_msc->edpt_out;
if ( p_buffer == NULL || actual_length == 0 )
{ // application does not provide data to response --> possibly unsupported SCSI command
ASSERT_STATUS( dcd_pipe_stall(p_msc->edpt_in) );
ASSERT_STATUS( dcd_pipe_stall(edpt_data) );
p_csw->status = MSC_CSW_STATUS_FAILED;
}else
{
ASSERT_STATUS( dcd_pipe_queue_xfer( BIT_TEST_(p_cbw->dir, 7) ? p_msc->edpt_in : p_msc->edpt_out,
p_buffer, actual_length) );
ASSERT_STATUS( dcd_pipe_queue_xfer( edpt_data, p_buffer, min16_of(actual_length, (uint16_t) p_cbw->xfer_bytes)) );
}
}
}