1 files changed, 2 insertions, 2 deletions

diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index bc5d8184c489..05dbb9788504 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -4107,7 +4107,7 @@ void ieee80211_send_bar(struct ieee80211_vif *vif, u8 *ra, u16 tid, u16 ssn);
  *      (deprecated; this will be removed once drivers get updated to use
  *      rate_idx_mask)
  * @rate_idx_mask: user-requested (legacy) rate mask
- * @rate_idx_mcs_mask: user-requested MCS rate mask
+ * @rate_idx_mcs_mask: user-requested MCS rate mask (NULL if not in use)
  * @bss: whether this frame is sent out in AP or IBSS mode
  */
 struct ieee80211_tx_rate_control {
@@ -4119,7 +4119,7 @@ struct ieee80211_tx_rate_control {
         bool rts, short_preamble;
         u8 max_rate_idx;
         u32 rate_idx_mask;
-        u8 rate_idx_mcs_mask[IEEE80211_HT_MCS_MASK_LEN];
+        u8 *rate_idx_mcs_mask;
         bool bss;
 };