github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-01 19:13:47 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

mt76: mt7663s: fix rx buffer refcounting

Browse Source 
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
This commit is contained in:
Lorenzo Bianconi 2021-01-14 18:26:47 +01:00 committed by Kalle Valo
parent d24c790577
commit 952de419b6
1 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/net/wireless/mediatek/mt76/mt7615/sdio_txrx.c
View File

@ -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;