ath11k: Refactor the peer delete

Introduce new helper function for peer delete to reuse this logic
in all peer cleanup procedures. Found this in code review.
Also this change is applicable for all the platform.

Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.5.0.1-01067-QCAHKSWPL_SILICONZ-1
Signed-off-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/1646024079-26391-1-git-send-email-quic_periyasa@quicinc.com

drivers/net/wireless/ath/ath11k/mac.c

@@ -6387,22 +6387,12 @@ static int ath11k_mac_op_add_interface(struct ieee80211_hw *hw,
 
 err_peer_del:
 	if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
-		reinit_completion(&ar->peer_delete_done);
-
-		fbret = ath11k_wmi_send_peer_delete_cmd(ar, vif->addr,
-							arvif->vdev_id);
+		fbret = ath11k_peer_delete(ar, arvif->vdev_id, vif->addr);
 		if (fbret) {
-			ath11k_warn(ar->ab, "failed to delete peer vdev_id %d addr %pM\n",
-				    arvif->vdev_id, vif->addr);
+			ath11k_warn(ar->ab, "fallback fail to delete peer addr %pM vdev_id %d ret %d\n",
+				    vif->addr, arvif->vdev_id, fbret);
 			goto err;
 		}
-
-		fbret = ath11k_wait_for_peer_delete_done(ar, arvif->vdev_id,
-							 vif->addr);
-		if (fbret)
-			goto err;
-
-		ar->num_peers--;
 	}
 
 err_vdev_del:

drivers/net/wireless/ath/ath11k/peer.c

@@ -217,7 +217,7 @@ int ath11k_wait_for_peer_delete_done(struct ath11k *ar, u32 vdev_id,
 	return 0;
 }
 
-int ath11k_peer_delete(struct ath11k *ar, u32 vdev_id, u8 *addr)
+static int __ath11k_peer_delete(struct ath11k *ar, u32 vdev_id, const u8 *addr)
 {
 	int ret;
 
@@ -237,6 +237,19 @@ int ath11k_peer_delete(struct ath11k *ar, u32 vdev_id, u8 *addr)
 	if (ret)
 		return ret;
 
+	return 0;
+}
+
+int ath11k_peer_delete(struct ath11k *ar, u32 vdev_id, u8 *addr)
+{
+	int ret;
+
+	lockdep_assert_held(&ar->conf_mutex);
+
+	ret = __ath11k_peer_delete(ar, vdev_id, addr);
+	if (ret)
+		return ret;
+
 	ar->num_peers--;
 
 	return 0;
@@ -323,22 +336,10 @@ int ath11k_peer_create(struct ath11k *ar, struct ath11k_vif *arvif,
 	return 0;
 
 cleanup:
-	reinit_completion(&ar->peer_delete_done);
-
-	fbret = ath11k_wmi_send_peer_delete_cmd(ar, param->peer_addr,
-						param->vdev_id);
-	if (fbret) {
-		ath11k_warn(ar->ab, "failed to delete peer vdev_id %d addr %pM\n",
-			    param->vdev_id, param->peer_addr);
-		goto exit;
-	}
-
-	fbret = ath11k_wait_for_peer_delete_done(ar, param->vdev_id,
-						 param->peer_addr);
+	fbret = __ath11k_peer_delete(ar, param->vdev_id, param->peer_addr);
 	if (fbret)
-		ath11k_warn(ar->ab, "failed wait for peer %pM delete done id %d fallback ret %d\n",
+		ath11k_warn(ar->ab, "failed peer %pM delete vdev_id %d fallback ret %d\n",
 			    param->peer_addr, param->vdev_id, fbret);
 
-exit:
 	return ret;
 }