esp-tls: check return value of fcntl

This commit is contained in:
Ivan Grokhotkov
2019-12-10 15:28:21 +01:00
parent 23848fd1b9
commit 87a41fabfa

View File

@@ -189,7 +189,11 @@ static esp_err_t esp_tcp_connect(const char *host, int hostlen, int port, int *s
}
if (cfg->non_block) {
int flags = fcntl(fd, F_GETFL, 0);
fcntl(fd, F_SETFL, flags | O_NONBLOCK);
ret = fcntl(fd, F_SETFL, flags | O_NONBLOCK);
if (ret < 0) {
ESP_LOGE(TAG, "Failed to configure the socket as non-blocking (errno %d)", errno);
goto err_freesocket;
}
}
}