linux-kernel - [PATCH] char: rpmb: fix memdup

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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: [PATCH] char: rpmb: fix memdup_user.cocci warnings

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

 Use memdup_user rather than duplicating its implementation
 This is a little bit restricted to reduce false positives

Generated by: scripts/coccinelle/api/memdup_user.cocci

CC: Tomas Winkler <tomas.winkler@...el.com>
Signed-off-by: Fengguang Wu <fengguang.wu@...el.com>
---

 0 files changed

rule starting on line 17: position variables or mixed modifs interfere with comm_assoc isobool (
(

(
(unknown *to == NULL)
  >>> IS_ERR(rule starting on line 17:to)

|
!unknown *to
  >>> IS_ERR(rule starting on line 17:to)

)
|
(unknown *NULL == unknown *to)
  >>> IS_ERR(rule starting on line 17:to)

) || ...)