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From: Zhou Wang <wangzhou1@hisilicon.com>
To: Herbert Xu <herbert@gondor.apana.org.au>,
	Zhangfei Gao <zhangfei.gao@linaro.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	<linux-kernel@vger.kernel.org>, <linux-crypto@vger.kernel.org>,
	<kbuild-all@lists.01.org>
Subject: Re: [PATCH] crypto: hisilicon - fix strncpy warning with strlcpy
Date: Thu, 4 Jun 2020 21:52:55 +0800	[thread overview]
Message-ID: <5ED8FCB7.1020305@hisilicon.com> (raw)
In-Reply-To: <20200604065009.GA29822@gondor.apana.org.au>

On 2020/6/4 14:50, Herbert Xu wrote:
> On Thu, Jun 04, 2020 at 02:44:16PM +0800, Zhangfei Gao wrote:
>>
>> I think it is fine.
>> 1. Currently the name size is 64, bigger enough.
>> Simply grep in driver name, 64 should be enough.
>> We can make it larger when there is a request.
>> 2. it does not matter what the name is, since it is just an interface.
>> cat /sys/class/uacce/hisi_zip-0/flags
>> cat /sys/class/uacce/his-0/flags
>> should be both fine to app only they can be distinguished.
>> 3. It maybe a hard restriction to fail just because of a long name.
> 
> I think we should err on the side of caution.  IOW, unless you
> know that you need it to succeed when it exceeds the limit, then
> you should just make it fail.

Yes. We need make it fail to avoid silent truncation.

> 
> Thanks,
> 

  reply	other threads:[~2020-06-04 13:53 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <202006032110.BEbKqovX%lkp@intel.com>
2020-06-04  3:32 ` [PATCH] crypto: hisilicon - fix strncpy warning with strlcpy Zhangfei Gao
2020-06-04  3:39   ` Herbert Xu
2020-06-04  6:10     ` Zhangfei Gao
2020-06-04  6:18       ` Herbert Xu
2020-06-04  6:44         ` Zhangfei Gao
2020-06-04  6:50           ` Herbert Xu
2020-06-04 13:52             ` Zhou Wang [this message]
2020-06-05  9:34             ` Zhangfei Gao
2020-06-05 12:17               ` Herbert Xu
2020-06-05 15:26                 ` Zhangfei Gao
2020-06-05 15:49                   ` Eric Biggers
2020-06-06  1:42                     ` Zhangfei Gao
2020-06-07 13:03                 ` David Laight
2020-06-10  6:56                   ` Eric Biggers
2020-06-15  3:38   ` [PATCH v2] crypto: hisilicon - fix strncpy warning with strscpy Zhangfei Gao
2020-06-26  6:06     ` Herbert Xu

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