linux-kernel - Re: [PATCH 4/8] char: rpmb: provide user space interface

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Message-ID: <201604031822.7UBwspdK%fengguang.wu@intel.com>
Date:	Sun, 3 Apr 2016 18:36:08 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Tomas Winkler <tomas.winkler@...el.com>
Cc:	kbuild-all@...org, gregkh@...uxfoundation.org,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Vinayak Holikatti <vinholikatti@...il.com>,
	Christoph Hellwig <hch@....de>,
	Yaniv Gardi <ygardi@...eaurora.org>,
	Joao Pinto <Joao.Pinto@...opsys.com>,
	linux-mmc@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Tomas Winkler <tomas.winkler@...el.com>
Subject: Re: [PATCH 4/8] char: rpmb: provide user space interface

Hi Tomas,

[auto build test WARNING on char-misc/char-misc-testing]
[also build test WARNING on v4.6-rc1 next-20160401]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url:    https://github.com/0day-ci/linux/commits/Tomas-Winkler/Replay-Protected-Memory-Block-RPMB-subsystem/20160403-174929


coccinelle warnings: (new ones prefixed by >>)

>> drivers/char/rpmb/cdev.c:94:13-20: WARNING opportunity for memdup_user

Please review and possibly fold the followup patch.

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0-DAY kernel test infrastructure                Open Source Technology Center
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