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boardd: retry on bad SPI RX data len (#27314)

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Co-authored-by: Comma Device <device@comma.ai>
This commit is contained in:
Adeeb Shihadeh
2023-02-11 21:12:07 -08:00
committed by GitHub
parent 4998b600ec
commit 341eb2e0fd
1 changed files with 4 additions and 1 deletions
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selfdrive/boardd/spi.cc
+4 -1
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@@ -316,7 +316,10 @@ int PandaSpiHandle::spi_transfer(uint8_t endpoint, uint8_t *tx_data, uint16_t tx
goto transfer_fail;
}
rx_data_len = *(uint16_t *)(rx_buf+1);
assert(rx_data_len < SPI_BUF_SIZE);
if (rx_data_len >= SPI_BUF_SIZE) {
LOGE("SPI: RX data len larger than buf size %d", rx_data_len);
goto transfer_fail;
}
// Read data
transfer.len = rx_data_len + 1;