linux-kernel - RE: [PATCH] crypto: qat - Replace the if statement with min()

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Date:   Mon, 26 Jun 2023 16:10:05 +0000
From:   David Laight <David.Laight@...LAB.COM>
To:     'kernel test robot' <lkp@...el.com>,
        You Kangren <youkangren@...o.com>,
        Giovanni Cabiddu <giovanni.cabiddu@...el.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        "Adam Guerin" <adam.guerin@...el.com>,
        Wojciech Ziemba <wojciech.ziemba@...el.com>,
        Tom Zanussi <tom.zanussi@...ux.intel.com>,
        Damian Muszynski <damian.muszynski@...el.com>,
        Srinivas Kerekare <srinivas.kerekare@...el.com>,
        "open list:QAT DRIVER" <qat-linux@...el.com>,
        "open list:CRYPTO API" <linux-crypto@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
CC:     "llvm@...ts.linux.dev" <llvm@...ts.linux.dev>,
        "oe-kbuild-all@...ts.linux.dev" <oe-kbuild-all@...ts.linux.dev>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "opensource.kernel@...o.com" <opensource.kernel@...o.com>
Subject: RE: [PATCH] crypto: qat - Replace the if statement with min()

From: kernel test robot
> Sent: 26 June 2023 15:11
> 
> Hi You,
> 
> kernel test robot noticed the following build warnings:
> 
> [auto build test WARNING on herbert-cryptodev-2.6/master]
> [also build test WARNING on herbert-crypto-2.6/master linus/master v6.4 next-20230626]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
> 
...
> >> drivers/crypto/intel/qat/qat_common/qat_uclo.c:1989:12: warning: comparison of distinct pointer
> types ('typeof (words_num) *' (aka 'unsigned int *') and 'typeof (1024) *' (aka 'int *')) [-Wcompare-
> distinct-pointer-types]
>                    cpylen = min(words_num, UWORD_CPYBUF_SIZE);
>                             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

UWORD_CPYBUF_SIZE needs to be defined as an unsigned constant.

	David

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