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[PATCH 26/40] iwlwifi: mvm: validate that we don't send zero quota

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From: Johannes Berg <johannes.berg@xxxxxxxxx>

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@xxxxxxxxx>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx>
---
 drivers/net/wireless/iwlwifi/mvm/quota.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/net/wireless/iwlwifi/mvm/quota.c b/drivers/net/wireless/iwlwifi/mvm/quota.c
index 8bb2fce..3f18786 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)
-- 
1.8.3.2

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