linux-kernel - [PATCH] staging: rtl8192e: rtl

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Message-Id: <1443615131-18867-1-git-send-email-luisbg@osg.samsung.com>
Date:	Wed, 30 Sep 2015 13:12:11 +0100
From:	Luis de Bethencourt <luisbg@....samsung.com>
To:	linux-kernel@...r.kernel.org
Cc:	gregkh@...uxfoundation.org, mateusz.kulikowski@...il.com,
	cristina.opriceana@...il.com, devel@...verdev.osuosl.org,
	Luis de Bethencourt <luisbg@....samsung.com>
Subject: [PATCH] staging: rtl8192e: rtl_wx: fix negative noise value

wstats->qual.noise is of type uint8, so it shouldn't be assigned a
negative number. Assigning it 0x100 - 100, which is the equivalent
to -100 dBm when IW_QUAL_DBM is set.

Signed-off-by: Luis de Bethencourt <luisbg@....samsung.com>
---
 drivers/staging/rtl8192e/rtl8192e/rtl_wx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
index 984cb9a..70df6a1 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
@@ -1225,7 +1225,7 @@ static struct iw_statistics *_rtl92e_get_wireless_stats(struct net_device *dev)
 	if (ieee->state < RTLLIB_LINKED) {
 		wstats->qual.qual = 10;
 		wstats->qual.level = 0;
-		wstats->qual.noise = -100;
+		wstats->qual.noise = 0x100 - 100;	/* -100 dBm */
 		wstats->qual.updated = IW_QUAL_ALL_UPDATED | IW_QUAL_DBM;
 		return wstats;
 	}
-- 
2.5.1

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