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From: David Ahern <dsahern@gmail.com>
To: Enrico Mioso <mrkiko.rs@gmail.com>, netdev@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Kirill Tkhai <ktkhai@virtuozzo.com>,
	Jakub Kicinski <jakub.kicinski@netronome.com>,
	Alexei Starovoitov <ast@kernel.org>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	John Fastabend <john.fastabend@gmail.com>,
	Jesper Dangaard Brouer <brouer@redhat.com>
Subject: Re: Compiler warnings in kernel 4.14.51
Date: Mon, 2 Jul 2018 09:18:47 -0600	[thread overview]
Message-ID: <2cdf9843-0014-dc89-bede-a4d38c9bf264@gmail.com> (raw)
In-Reply-To: <20180701203507.GA15211@mStation.localdomain>

On 7/1/18 2:35 PM, Enrico Mioso wrote:
> Hello!
> 
> While compiling kernel 4.14.51 I got the following warnings:
> CC      net/core/dev.o
> net/core/dev.c: In function 'validate_xmit_skb_list':
> net/core/dev.c:3121:15: warning: 'tail' may be used uninitialized in this function [-Wmaybe-uninitialized]
> ...
> 
> CC      net/ipv4/fib_trie.o
> net/ipv4/fib_trie.c: In function 'fib_trie_unmerge':
> net/ipv4/fib_trie.c:1749:8: warning: 'local_tp' may be used uninitialized in this function [-Wmaybe-uninitialized]
> 
> The kernel has been compiled for the MIPS architecture, little-endian 32-bit.

Not seen with x86-64, Debian stretch. In both cases the compiler should
be able to see they are set before use.

      reply	other threads:[~2018-07-02 15:18 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-01 20:35 Compiler warnings in kernel 4.14.51 Enrico Mioso
2018-07-02 15:18 ` David Ahern [this message]

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