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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@osg.samsung.com>
Tested-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Luis de Bethencourt 2015-09-30 13:12:11 +01:00 committed by Greg Kroah-Hartman
parent b890d00e84
commit 86dc65b36c
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
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@ -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;
}