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openthread: fix wrong OpenThread uart read return value handling

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This commit is contained in:
Jiacheng Guo
2021-06-08 19:49:37 +08:00
parent 0ea9ae2920
commit c88e1e3712
1 changed files with 1 additions and 1 deletions
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components/openthread/port/esp_openthread_uart.c
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@@ -119,7 +119,7 @@ esp_err_t esp_openthread_uart_process()
if (rval > 0) { if (rval > 0) {
otPlatUartReceived(s_uart_buffer, (uint16_t)rval); otPlatUartReceived(s_uart_buffer, (uint16_t)rval);
} else if (rval > 0) { } else if (rval < 0) {
if (errno != EAGAIN) { if (errno != EAGAIN) {
otLogWarnPlat("read uart failed: %d", errno); otLogWarnPlat("read uart failed: %d", errno);
return ESP_FAIL; return ESP_FAIL;