iwlwifi: mvm: validate that we don't send zero quota

The firmware currently deals with zero quota for a given
binding, but it seems odd to send that down. Make sure
that we don't do that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/mvm/quota.c b/drivers/net/wireless/iwlwifi/mvm/quota.c
index 8bb2fced0811..3f18786311f4 100644
--- a/drivers/net/wireless/iwlwifi/mvm/quota.c
+++ b/drivers/net/wireless/iwlwifi/mvm/quota.c
@@ -297,6 +297,14 @@ int iwl_mvm_update_quotas(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
 
         iwl_mvm_adjust_quota_for_noa(mvm, &cmd);
 
+        /* check that we have non-zero quota for all valid bindings */
+        for (i = 0; i < MAX_BINDINGS; i++) {
+                if (cmd.quotas[i].id_and_color == cpu_to_le32(FW_CTXT_INVALID))
+                        continue;
+                WARN_ONCE(cmd.quotas[i].quota == 0,
+                          "zero quota on binding %d\n", i);
+        }
+
         ret = iwl_mvm_send_cmd_pdu(mvm, TIME_QUOTA_CMD, 0,
                                    sizeof(cmd), &cmd);
         if (ret)