esp-tls: check return value of fcntl
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1 changed files with 5 additions and 1 deletions
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@ -134,7 +134,11 @@ static esp_err_t esp_tcp_connect(const char *host, int hostlen, int port, int *s
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}
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if (cfg->non_block) {
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int flags = fcntl(fd, F_GETFL, 0);
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fcntl(fd, F_SETFL, flags | O_NONBLOCK);
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ret = fcntl(fd, F_SETFL, flags | O_NONBLOCK);
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if (ret < 0) {
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ESP_LOGE(TAG, "Failed to configure the socket as non-blocking (errno %d)", errno);
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goto err_freesocket;
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}
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}
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}
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