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Merge pull request #3401 from hathach/copilot/fix-mtp-device-bug

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Fix MTP transfer completion detection for exact-length packets
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Ha Thach
2025-12-10 19:26:57 +07:00
committed by GitHub
parent 098dd07ecd 7e70f0b07c
commit b05ec753f8
1 changed files with 2 additions and 2 deletions
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4
src/class/mtp/mtp_device.c
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@ -422,10 +422,10 @@ bool mtpd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t
cb_data.total_xferred_bytes = p_mtp->xferred_len;
bool is_complete = false;
// complete if ZLP or short packet or overflow
// complete if ZLP or short packet or total length reached
if (xferred_bytes == 0 || // ZLP
(xferred_bytes & (bulk_mps - 1)) || // short packet
p_mtp->xferred_len > p_mtp->total_len) {
p_mtp->xferred_len >= p_mtp->total_len) { // total length reached
is_complete = true;
}