iwlwifi: mvm: fix off by one in iwl_mvm_stat_iterator_all_macs()

Change the comparison from ">" to ">=" to avoid accessing one element
beyond the end of the ->per_mac_stats[] array.

Fixes: 6324c173ff4a ("iwlwifi: mvm: add support for statistics update version 15")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20220106071825.GA5836@kili
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
index 40d0e6bf336bf04e63e0493f12a2eba44a093081..78198da7e55b447995cee0c511a91b45b7d73b6c 100644 (file)
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rx.c
@@ -640,7 +640,7 @@ static void iwl_mvm_stat_iterator_all_macs(void *_data, u8 *mac,
        struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
        u16 vif_id = mvmvif->id;
 
-       if (WARN_ONCE(vif_id > MAC_INDEX_AUX, "invalid vif id: %d", vif_id))
+       if (WARN_ONCE(vif_id >= MAC_INDEX_AUX, "invalid vif id: %d", vif_id))
                return;
 
        if (vif->type != NL80211_IFTYPE_STATION)