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>

1 files changed, 2 insertions, 1 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index a1498416ad55..acebf2c5bb0c 100644
--- 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);