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serial: uart_async_rx: Avoid possible division by zero #75905

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Merged
merged 1 commit into from
Jul 27, 2024
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serial: uart_async_rx: Avoid possible division by zero #75905

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1 change: 1 addition & 0 deletions drivers/serial/uart_async_rx.c
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Original file line number Diff line number Diff line change
Expand Up @@ -137,6 +137,7 @@ void uart_async_rx_reset(struct uart_async_rx *rx_data)
int uart_async_rx_init(struct uart_async_rx *rx_data,
const struct uart_async_rx_config *config)
{
__ASSERT_NO_MSG(config->buf_cnt > 0);
__ASSERT_NO_MSG(config->length / config->buf_cnt <= UINT8_MAX);
memset(rx_data, 0, sizeof(*rx_data));
rx_data->config = config;
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