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usbd_control.c: Decide whether a control transfer has a data stage

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based on setup packet wLength.
This commit is contained in:
William D. Jones 2019-10-02 23:02:55 -04:00
parent 05914de109
commit b0b737b42a
1 changed files with 2 additions and 2 deletions
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src/device/usbd_control.c
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@ -94,7 +94,7 @@ bool tud_control_xfer(uint8_t rhport, tusb_control_request_t const * request, vo
_control_state.total_len = tu_min16(len, request->wLength); _control_state.total_len = tu_min16(len, request->wLength);
_control_state.total_transferred = 0; _control_state.total_transferred = 0;
if ( len ) if ( _control_state.total_len )
{ {
TU_ASSERT(buffer); TU_ASSERT(buffer);