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mt76: mt7663s: fix rx buffer refcounting

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commit 952de419b6 upstream.

Similar to mt7601u driver, fix erroneous rx page refcounting

Fixes: a66cbdd657 ("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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Lorenzo Bianconi
2021-01-14 18:26:47 +01:00
committed by Greg Kroah-Hartman
parent 083274407a
commit cfe3425c5a
1 changed files with 4 additions and 5 deletions
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9
drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c
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@@ -85,7 +85,7 @@ 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;
@@ -98,8 +98,7 @@ 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;
@@ -111,7 +110,7 @@ static int mt7663s_rx_run_queue(struct mt76_dev *dev, enum mt76_rxq_id qid,
if (err < 0) {
dev_err(dev->dev, "sdio read data failed:%d\n", err);
__free_pages(page, order);
put_page(page);
return err;
}
@@ -128,7 +127,7 @@ 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;