wext: explicitly cast -110 to u8

This doesn't generate any different code, but will
suppress a spurious smatch warning.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c
index f9680c9cf9b3d26fc828671054e8b2c1e1bff551..d997d0f0c54a683fb0aee287d44fc79d4b15230d 100644 (file)
--- a/net/wireless/wext-compat.c
+++ b/net/wireless/wext-compat.c
@@ -176,7 +176,7 @@ int cfg80211_wext_giwrange(struct net_device *dev,
        case CFG80211_SIGNAL_TYPE_NONE:
                break;
        case CFG80211_SIGNAL_TYPE_MBM:
-               range->max_qual.level = -110;
+               range->max_qual.level = (u8)-110;
                range->max_qual.qual = 70;
                range->avg_qual.qual = 35;
                range->max_qual.updated |= IW_QUAL_DBM;