From: Chen Gang <gang.chen@asianux.com>
To: David Miller <davem@davemloft.net>
Cc: dborkman@redhat.com, c.aeschlimann@acn-group.ch,
sergei.shtylyov@cogentembedded.com,
alex.bluesman.smirnov@gmail.com, dbaryshkov@gmail.com,
linux-zigbee-devel@lists.sourceforge.net, netdev@vger.kernel.org
Subject: Re: [PATCH v5] net: mac802154: comparision issue of type cast, finding by EXTRA_CFLAGS=-W
Date: Thu, 02 May 2013 09:11:38 +0800 [thread overview]
Message-ID: <5181BD4A.90408@asianux.com> (raw)
In-Reply-To: <20130429.122934.2073602835665028801.davem@davemloft.net>
On 2013年04月30日 00:29, David Miller wrote:
> From: Chen Gang <gang.chen@asianux.com>
> Date: Thu, 25 Apr 2013 18:49:55 +0800
>
>>
>> Change MAC802154_CHAN_NONE from ~(u8)0 to 0xff, or the comparison in
>> mac802154_wpan_xmit() for ``chan == MAC802154_CHAN_NONE'' will not
>> succeed.
>>
>> This bug can be boiled down to ``u8 foo = 0xff; if (foo == ~(u8)0)
>> [...] else [...]'' where the condition will always take the else
>> branch.
>>
>> Signed-off-by: Chen Gang <gang.chen@asianux.com>
>
> Applied, thanks.
>
>
Thank you, too, and also thank the related members who provide your
suggestions to this patch.
--
Chen Gang
Asianux Corporation
prev parent reply other threads:[~2013-05-02 1:12 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-22 6:41 [PATCH] Net: mac802154: comparing issue by type cast, finding by EXTRA_CFLAGS=-W Chen Gang
2013-04-22 14:09 ` Sergei Shtylyov
2013-04-23 1:11 ` Chen Gang
2013-04-23 2:54 ` [PATCH v2] Net: mac802154: comparision issue of " Chen Gang
2013-04-23 11:22 ` Chen Gang
2013-04-23 11:24 ` [PATCH v3] net: " Chen Gang
2013-04-25 8:10 ` David Miller
2013-04-25 8:43 ` Chen Gang
2013-04-25 9:01 ` David Miller
2013-04-25 9:09 ` Chen Gang
[not found] ` <5178ECA2.6020402-bOixZGp5f+dBDgjK7y7TUQ@public.gmane.org>
2013-04-25 9:02 ` Christophe Aeschlimann
2013-04-25 9:06 ` Chen Gang
2013-04-25 9:40 ` [PATCH v4] " Chen Gang
2013-04-25 9:59 ` Daniel Borkmann
2013-04-25 10:44 ` Chen Gang
2013-04-25 10:49 ` [PATCH v5] " Chen Gang
2013-04-29 16:29 ` David Miller
2013-05-02 1:11 ` Chen Gang [this message]
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