From: Or Gerlitz <ogerlitz@mellanox.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Saeed Mahameed <saeedm@mellanox.com>,
Hadar Hen Zion <hadarh@mellanox.com>,
"David S . Miller" <davem@davemloft.net>,
<netdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] [net] net/mlx5e: fix another -Wmaybe-uninitialized warning
Date: Thu, 12 Jan 2017 10:30:24 +0200 [thread overview]
Message-ID: <5cc9060f-6802-8634-f144-4637e9576ef1@mellanox.com> (raw)
In-Reply-To: <20170111211451.2705705-1-arnd@arndb.de>
On 1/11/2017 11:14 PM, Arnd Bergmann wrote:
> @@ -666,14 +666,15 @@ static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv,
> struct rtable *rt;
> struct neighbour *n = NULL;
> int ttl;
> + int ret;
> +
> + if (!IS_ENABLED(CONFIG_INET))
> + return -EOPNOTSUPP;
>
> -#if IS_ENABLED(CONFIG_INET)
> rt = ip_route_output_key(dev_net(mirred_dev), fl4);
> - if (IS_ERR(rt))
> - return PTR_ERR(rt);
> -#else
> - return -EOPNOTSUPP;
> -#endif
> + ret = PTR_ERR_OR_ZERO(rt);
> + if (ret)
> + return ret;
but this means that if we got NULL from ip_route_output_key, we will
return success (0) here which is wrong.
next prev parent reply other threads:[~2017-01-12 8:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-11 21:14 [PATCH] [net] net/mlx5e: fix another -Wmaybe-uninitialized warning Arnd Bergmann
2017-01-12 8:30 ` Or Gerlitz [this message]
2017-01-12 10:10 ` Arnd Bergmann
2017-01-12 15:21 ` Or Gerlitz
2017-01-12 16:04 ` Arnd Bergmann
2017-01-12 20:55 ` Or Gerlitz
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