[PATCH] wifi: mt76: fix potential memory leakage

[Bo Jiao]

From: Bo Jiao <Bo.Jiao at mediatek.com>

fix potential memory leakage, recycle rxwi when mt76_dma_add_buf() call fails.

Signed-off-by: Bo Jiao <Bo.Jiao at mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/dma.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c
index fc24b35..9053344 100644
--- a/drivers/net/wireless/mediatek/mt76/dma.c
+++ b/drivers/net/wireless/mediatek/mt76/dma.c
@@ -592,6 +592,7 @@ mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q)
 		qbuf.len = len - offset;
 		qbuf.skip_unmap = false;
 		if (mt76_dma_add_buf(dev, q, &qbuf, 1, 0, buf, t) < 0) {
+			mt76_put_rxwi(dev, t);
 			dma_unmap_single(dev->dma_dev, addr, len,
 					 DMA_FROM_DEVICE);
 			skb_free_frag(buf);
-- 
2.18.0