[PATCH 12/29] staging: lustre: simple cleanup in obd_ioctl_popdata

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From: Liang Zhen <liang.zhen@xxxxxxxxx>

Code simplification for obd_ioctl_popdata.

Signed-off-by: Liang Zhen <liang.zhen@xxxxxxxxx>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5435
Reviewed-on: http://review.whamcloud.com/11313
Reviewed-by: Bobi Jam <bobijam@xxxxxxxxx>
Reviewed-by: Johann Lombardi <johann.lombardi@xxxxxxxxx>
Reviewed-by: Oleg Drokin <oleg.drokin@xxxxxxxxx>
---
 .../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

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