linux-kernel - [PATCH] staging: wlan-ng: collect return status without variable

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Message-ID: <20190510023900.GA4390@hari-Inspiron-1545>
Date:   Fri, 10 May 2019 08:09:00 +0530
From:   Hariprasad Kelam <hariprasad.kelam@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Tim Collier <osdevtc@...il.com>,
        Chris Opperman <eklikeroomys@...il.com>,
        Hariprasad Kelam <hariprasad.kelam@...il.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH] staging: wlan-ng: collect return status without variable

err and result variables are declared to collect return status
of prism2_domibset_uint32.

Check return status in if loop and return directly.

Rearragne code such that we can avoid declaring these variables.

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@...il.com>
---
 drivers/staging/wlan-ng/cfg80211.c | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c
index 8a862f7..5dad5ac 100644
--- a/drivers/staging/wlan-ng/cfg80211.c
+++ b/drivers/staging/wlan-ng/cfg80211.c
@@ -231,17 +231,12 @@ static int prism2_set_default_key(struct wiphy *wiphy, struct net_device *dev,
 {
 	struct wlandevice *wlandev = dev->ml_priv;
 
-	int err = 0;
-	int result = 0;
-
-	result = prism2_domibset_uint32(wlandev,
-		DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID,
-		key_index);
-
-	if (result)
-		err = -EFAULT;
-
-	return err;
+	if (prism2_domibset_uint32(wlandev,
+				   DIDMIB_DOT11SMT_PRIVACYTABLE_WEPDEFAULTKEYID,
+				   key_index))
+		return -EFAULT;
+	else
+		return 0;
 }
 
 static int prism2_get_station(struct wiphy *wiphy, struct net_device *dev,
-- 
2.7.4