Remove the unused variable max_rates and related code. Also remove the
variable mi and pass type to kzalloc_obj instead.

Signed-off-by: Jiajia Liu <liujiajia@kylinos.cn>
---
 net/mac80211/rc80211_minstrel_ht.c | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 62745ca00e06..b73ef3adfcc5 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -1849,20 +1849,7 @@ minstrel_ht_rate_update(void *priv, struct ieee80211_supported_band *sband,
 static void *
 minstrel_ht_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp)
 {
-	struct ieee80211_supported_band *sband;
-	struct minstrel_ht_sta *mi;
-	struct minstrel_priv *mp = priv;
-	struct ieee80211_hw *hw = mp->hw;
-	int max_rates = 0;
-	int i;
-
-	for (i = 0; i < NUM_NL80211_BANDS; i++) {
-		sband = hw->wiphy->bands[i];
-		if (sband && sband->n_bitrates > max_rates)
-			max_rates = sband->n_bitrates;
-	}
-
-	return kzalloc_obj(*mi, gfp);
+	return kzalloc_obj(struct minstrel_ht_sta, gfp);
 }
 
 static void
-- 
2.25.1