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Merge branch 'bugfix/add_return_in_uart_wait_tx_done_bp4.2' into 'release/v4.2'

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bugfix(UART): Add return in uart_wait_tx_done(backport v4.2)

See merge request espressif/esp-idf!10335
This commit is contained in:
Michael (XIAO Xufeng) 2020-09-14 14:26:00 +08:00
commit b132ab2091
1 changed files with 1 additions and 0 deletions
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components/driver/uart.c
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@ -1025,6 +1025,7 @@ esp_err_t uart_wait_tx_done(uart_port_t uart_num, TickType_t ticks_to_wait)
uart_hal_disable_intr_mask(&(uart_context[uart_num].hal), UART_INTR_TX_DONE);
UART_EXIT_CRITICAL(&(uart_context[uart_num].spinlock));
xSemaphoreGive(p_uart_obj[uart_num]->tx_mux);
return ESP_ERR_TIMEOUT;
}
xSemaphoreGive(p_uart_obj[uart_num]->tx_mux);
return ESP_OK;