mac80211: fix change flags variable signedness

This showed up as a sparse warning (with higher verbosity) and is
certainly correct - the change flags should be unsigned. It's not
that important since high flag numbers aren't used and bitwise
operations would still work.

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

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index a1498416ad557d006d94c1fa96f7092d0b8212c9..acebf2c5bb0cb294ec8a53e14884a332d2f3d6ae 100644 (file)
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -3108,7 +3108,8 @@ __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
        struct ieee80211_channel_switch ch_switch;
        struct ieee80211_chanctx_conf *conf;
        struct ieee80211_chanctx *chanctx;
-       int err, changed = 0;
+       u32 changed = 0;
+       int err;
 
        sdata_assert_lock(sdata);
        lockdep_assert_held(&local->mtx);