linux-kernel - [PATCH 12/29] staging: lustre: simple cleanup in obd_ioctl

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Message-Id: <1458687856-24959-13-git-send-email-jsimmons@infradead.org>
Date:	Tue, 22 Mar 2016 19:03:59 -0400
From:	James Simmons <jsimmons@...radead.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	devel@...verdev.osuosl.org,
	Andreas Dilger <andreas.dilger@...el.com>,
	Oleg Drokin <oleg.drokin@...el.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Lustre Development List <lustre-devel@...ts.lustre.org>,
	Liang Zhen <liang.zhen@...el.com>
Subject: [PATCH 12/29] staging: lustre: simple cleanup in obd_ioctl_popdata

From: Liang Zhen <liang.zhen@...el.com>

Code simplification for obd_ioctl_popdata.

Signed-off-by: Liang Zhen <liang.zhen@...el.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5435
Reviewed-on: http://review.whamcloud.com/11313
Reviewed-by: Bobi Jam <bobijam@...il.com>
Reviewed-by: Johann Lombardi <johann.lombardi@...el.com>
Reviewed-by: Oleg Drokin <oleg.drokin@...el.com>
---
 .../lustre/lustre/obdclass/linux/linux-module.c    |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c
index 8eddf20..2cd4522 100644
--- a/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c
+++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c
@@ -158,9 +158,7 @@ int obd_ioctl_popdata(void __user *arg, void *data, int len)
 {
 	int err;
 
-	err = copy_to_user(arg, data, len);
-	if (err)
-		err = -EFAULT;
+	err = copy_to_user(arg, data, len) ? -EFAULT : 0;
 	return err;
 }
 EXPORT_SYMBOL(obd_ioctl_popdata);
-- 
1.7.1