ath10k: remove variables which set but not used

Variable buf_len and num_vdev_stats are being assigned but never read.
These are redundant and can be remove.
Signed-off-by: Kenneth Lu <kuohsianglu@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ath/ath10k/wmi.c

@@ -2318,7 +2318,6 @@ int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct sk_buff *skb)
 	u32 phy_mode;
 	u32 snr;
 	u32 rate;
-	u32 buf_len;
 	u16 fc;
 	int ret;
 
@@ -2330,7 +2329,6 @@ int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct sk_buff *skb)
 	}
 
 	channel = __le32_to_cpu(arg.channel);
-	buf_len = __le32_to_cpu(arg.buf_len);
 	rx_status = __le32_to_cpu(arg.status);
 	snr = __le32_to_cpu(arg.snr);
 	phy_mode = __le32_to_cpu(arg.phy_mode);
@@ -2740,14 +2738,13 @@ static int ath10k_wmi_main_op_pull_fw_stats(struct ath10k *ar,
 					    struct ath10k_fw_stats *stats)
 {
 	const struct wmi_stats_event *ev = (void *)skb->data;
-	u32 num_pdev_stats, num_vdev_stats, num_peer_stats;
+	u32 num_pdev_stats, num_peer_stats;
 	int i;
 
 	if (!skb_pull(skb, sizeof(*ev)))
 		return -EPROTO;
 
 	num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats);
-	num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats);
 	num_peer_stats = __le32_to_cpu(ev->num_peer_stats);
 
 	for (i = 0; i < num_pdev_stats; i++) {
@@ -2795,14 +2792,13 @@ static int ath10k_wmi_10x_op_pull_fw_stats(struct ath10k *ar,
 					   struct ath10k_fw_stats *stats)
 {
 	const struct wmi_stats_event *ev = (void *)skb->data;
-	u32 num_pdev_stats, num_vdev_stats, num_peer_stats;
+	u32 num_pdev_stats, num_peer_stats;
 	int i;
 
 	if (!skb_pull(skb, sizeof(*ev)))
 		return -EPROTO;
 
 	num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats);
-	num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats);
 	num_peer_stats = __le32_to_cpu(ev->num_peer_stats);
 
 	for (i = 0; i < num_pdev_stats; i++) {
@@ -2856,7 +2852,6 @@ static int ath10k_wmi_10_2_op_pull_fw_stats(struct ath10k *ar,
 	const struct wmi_10_2_stats_event *ev = (void *)skb->data;
 	u32 num_pdev_stats;
 	u32 num_pdev_ext_stats;
-	u32 num_vdev_stats;
 	u32 num_peer_stats;
 	int i;
 
@@ -2865,7 +2860,6 @@ static int ath10k_wmi_10_2_op_pull_fw_stats(struct ath10k *ar,
 
 	num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats);
 	num_pdev_ext_stats = __le32_to_cpu(ev->num_pdev_ext_stats);
-	num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats);
 	num_peer_stats = __le32_to_cpu(ev->num_peer_stats);
 
 	for (i = 0; i < num_pdev_stats; i++) {
@@ -2935,7 +2929,6 @@ static int ath10k_wmi_10_2_4_op_pull_fw_stats(struct ath10k *ar,
 	const struct wmi_10_2_stats_event *ev = (void *)skb->data;
 	u32 num_pdev_stats;
 	u32 num_pdev_ext_stats;
-	u32 num_vdev_stats;
 	u32 num_peer_stats;
 	int i;
 
@@ -2944,7 +2937,6 @@ static int ath10k_wmi_10_2_4_op_pull_fw_stats(struct ath10k *ar,
 
 	num_pdev_stats = __le32_to_cpu(ev->num_pdev_stats);
 	num_pdev_ext_stats = __le32_to_cpu(ev->num_pdev_ext_stats);
-	num_vdev_stats = __le32_to_cpu(ev->num_vdev_stats);
 	num_peer_stats = __le32_to_cpu(ev->num_peer_stats);
 
 	for (i = 0; i < num_pdev_stats; i++) {