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Diffstat (limited to 'src/drivers/px4io/px4io_serial.cpp')
-rw-r--r-- | src/drivers/px4io/px4io_serial.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/drivers/px4io/px4io_serial.cpp b/src/drivers/px4io/px4io_serial.cpp index 3b210ac59..c39494fb0 100644 --- a/src/drivers/px4io/px4io_serial.cpp +++ b/src/drivers/px4io/px4io_serial.cpp @@ -639,7 +639,7 @@ PX4IO_serial::_do_interrupt() if (_rx_dma_status == _dma_status_waiting) { /* verify that the received packet is complete */ - int length = sizeof(_dma_buffer) - stm32_dmaresidual(_rx_dma); + size_t length = sizeof(_dma_buffer) - stm32_dmaresidual(_rx_dma); if ((length < 1) || (length < PKT_SIZE(_dma_buffer))) { perf_count(_pc_badidle); |