mt76: mt7663s: fix rx buffer refcounting

Similar to mt7601u driver, fix erroneous rx page refcounting

Fixes: a66cbdd6573d ("mt76: mt7615: introduce mt7663s support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/dca19c9d445156201bc41f7cbb6e894bbc9a678c.1610644945.git.lorenzo@kernel.org

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c b/drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c
index 13d77f8..9fb506f 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c
@@ -83,7 +83,7 @@ static int mt7663s_rx_run_queue(struct mt76_dev *dev, enum mt76_rxq_id qid,
 {
        struct mt76_queue *q = &dev->q_rx[qid];
        struct mt76_sdio *sdio = &dev->sdio;
-       int len = 0, err, i, order;
+       int len = 0, err, i;
        struct page *page;
        u8 *buf;
 
@@ -96,8 +96,7 @@ static int mt7663s_rx_run_queue(struct mt76_dev *dev, enum mt76_rxq_id qid,
        if (len > sdio->func->cur_blksize)
                len = roundup(len, sdio->func->cur_blksize);
 
-       order = get_order(len);
-       page = __dev_alloc_pages(GFP_KERNEL, order);
+       page = __dev_alloc_pages(GFP_KERNEL, get_order(len));
        if (!page)
                return -ENOMEM;
 
@@ -106,7 +105,7 @@ static int mt7663s_rx_run_queue(struct mt76_dev *dev, enum mt76_rxq_id qid,
        err = sdio_readsb(sdio->func, buf, MCR_WRDR(qid), len);
        if (err < 0) {
                dev_err(dev->dev, "sdio read data failed:%d\n", err);
-               __free_pages(page, order);
+               put_page(page);
                return err;
        }
 
@@ -123,7 +122,7 @@ static int mt7663s_rx_run_queue(struct mt76_dev *dev, enum mt76_rxq_id qid,
                if (q->queued + i + 1 == q->ndesc)
                        break;
        }
-       __free_pages(page, order);
+       put_page(page);
 
        spin_lock_bh(&q->lock);
        q->head = (q->head + i) % q->ndesc;