From 5ef00f0b9192749d7fb2bb28524c40558f449f60 Mon Sep 17 00:00:00 2001
From: EunBong Song <eunb.song@samsung.com>
Date: Tue, 16 May 2017 08:01:05 -0600
Subject: [PATCH] drivers/bch: BCH character driver bch_ioctl() always returns
 -ENOTTY for DIOC_GETPRIV command.  It should returns OK if DIOC_GETPRIV
 command succeeds.

---
 drivers/bch/bchdev_driver.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/bch/bchdev_driver.c b/drivers/bch/bchdev_driver.c
index e74ef3f7f7b..438bdfd9d01 100644
--- a/drivers/bch/bchdev_driver.c
+++ b/drivers/bch/bchdev_driver.c
@@ -339,12 +339,13 @@ static int bch_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
       bchlib_semtake(bch);
       if (!bchr || bch->refs == MAX_OPENCNT)
         {
-          ret = -EINVAL;
+          ret   = -EINVAL;
         }
       else
         {
           bch->refs++;
           *bchr = bch;
+          ret   = OK;
         }
 
       bchlib_semgive(bch);