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From: Jakub Kicinski <kuba@kernel.org>
To: Zongmin Zhou <min_halo@163.com>
Cc: horms@kernel.org, davem@davemloft.net, edumazet@google.com,
	pabeni@redhat.com, shuah@kernel.org,
	linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
	netdev@vger.kernel.org, Zongmin Zhou <zhouzongmin@kylinos.cn>
Subject: Re: [PATCH v2] selftests: net: avoid memory leak
Date: Fri, 29 Aug 2025 19:15:37 -0700	[thread overview]
Message-ID: <20250829191537.4618f815@kernel.org> (raw)
In-Reply-To: <20250828020210.25475-1-min_halo@163.com>

On Thu, 28 Aug 2025 10:02:10 +0800 Zongmin Zhou wrote:
> @@ -501,7 +502,8 @@ int main(int argc, char *argv[])
>  	if (fd < 0) {
>  		fprintf(stderr, "Can't open socket: %s\n", strerror(errno));
>  		freeaddrinfo(ai);

Since you added the gotos now perhaps it'd be even better to remove
this freeaddrinfo() call here, and instead jump to a separate label...

> -		return ERN_RESOLVE;
> +		err = ERN_RESOLVE;
> +		goto err_free_buff;
>  	}
>  
>  	if (opt.sock.proto == IPPROTO_ICMP) {
> @@ -575,5 +577,7 @@ int main(int argc, char *argv[])
>  err_out:
>  	close(fd);

... added right here?

>  	freeaddrinfo(ai);
> +err_free_buff:
> +	free(buf);
>  	return err;

  parent reply	other threads:[~2025-08-30  2:15 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-26  3:15 [PATCH] selftests: net: avoid memory leak Zongmin Zhou
2025-08-27 16:12 ` Simon Horman
2025-08-28  2:02   ` [PATCH v2] " Zongmin Zhou
2025-08-28 19:06     ` Simon Horman
2025-08-30  2:15     ` Jakub Kicinski [this message]
2025-09-01  5:45       ` [PATCH v3] " Zongmin Zhou
2025-09-01 16:45         ` Simon Horman
2025-09-03  0:10         ` patchwork-bot+netdevbpf

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