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fix incorrect MTP xact_len calculation #3284

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Merged
HiFiPhile merged 1 commit into from
Oct 8, 2025
Merged

fix incorrect MTP xact_len calculation #3284

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fix incorrect MTP xact_len calculation
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@RigoLigoRLC
RigoLigoRLC committed Oct 7, 2025
commit bf69c49c29a58055a166e7a3f172f36ee3abb8fb
2 changes: 1 addition & 1 deletion src/class/mtp/mtp_device.c
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Original file line number Diff line number Diff line change
Expand Up @@ -215,7 +215,7 @@ static bool mtpd_data_xfer(mtp_container_info_t* p_container, uint8_t ep_addr) {
TU_ASSERT(p_mtp->phase == MTP_PHASE_DATA);
}

const uint16_t xact_len = tu_min16((uint16_t) (p_mtp->total_len - p_mtp->xferred_len), CFG_TUD_MTP_EP_BUFSIZE);
const uint16_t xact_len = (uint16_t) tu_min32(p_mtp->total_len - p_mtp->xferred_len, CFG_TUD_MTP_EP_BUFSIZE);
if (xact_len) {
// already transferred all bytes in header's length. Application make an unnecessary extra call
TU_VERIFY(usbd_edpt_claim(p_mtp->rhport, ep_addr));
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