wifi: mwifiex: cleanup struct mwifiex_sdio_mpa_rx

Drop filled with NULL pointers but otherwise unused 'skb_arr'
array of 'struct mwifiex_sdio_mpa_rx', adjust related code.
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Acked-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230821115254.167552-1-dmantipov@yandex.ru

drivers/net/wireless/marvell/mwifiex/sdio.c

@@ -2555,20 +2555,11 @@ static int mwifiex_init_sdio(struct mwifiex_adapter *adapter)
 	if (!card->mp_regs)
 		return -ENOMEM;
 
-	/* Allocate skb pointer buffers */
-	card->mpa_rx.skb_arr = kcalloc(card->mp_agg_pkt_limit, sizeof(void *),
-				       GFP_KERNEL);
-	if (!card->mpa_rx.skb_arr) {
-		kfree(card->mp_regs);
-		return -ENOMEM;
-	}
-
 	card->mpa_rx.len_arr = kcalloc(card->mp_agg_pkt_limit,
 				       sizeof(*card->mpa_rx.len_arr),
 				       GFP_KERNEL);
 	if (!card->mpa_rx.len_arr) {
 		kfree(card->mp_regs);
-		kfree(card->mpa_rx.skb_arr);
 		return -ENOMEM;
 	}
 
@@ -2623,7 +2614,6 @@ static void mwifiex_cleanup_sdio(struct mwifiex_adapter *adapter)
 	cancel_work_sync(&card->work);
 
 	kfree(card->mp_regs);
-	kfree(card->mpa_rx.skb_arr);
 	kfree(card->mpa_rx.len_arr);
 	kfree(card->mpa_tx.buf);
 	kfree(card->mpa_rx.buf);

drivers/net/wireless/marvell/mwifiex/sdio.h

@@ -164,10 +164,7 @@ struct mwifiex_sdio_mpa_rx {
 	u32 pkt_cnt;
 	u32 ports;
 	u16 start_port;
-
-	struct sk_buff **skb_arr;
 	u32 *len_arr;
-
 	u8 enabled;
 	u32 buf_size;
 	u32 pkt_aggr_limit;
@@ -372,7 +369,6 @@ static inline void mp_rx_aggr_setup(struct sdio_mmc_card *card,
 		else
 			card->mpa_rx.ports |= 1 << (card->mpa_rx.pkt_cnt + 1);
 	}
-	card->mpa_rx.skb_arr[card->mpa_rx.pkt_cnt] = NULL;
 	card->mpa_rx.len_arr[card->mpa_rx.pkt_cnt] = rx_len;
 	card->mpa_rx.pkt_cnt++;
 }