diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/dma.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/dma.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index d8f61e540bfd..c747eb24581c 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -1,17 +1,6 @@ +// SPDX-License-Identifier: ISC /* * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include <linux/dma-mapping.h> @@ -442,6 +431,12 @@ mt76_dma_rx_reset(struct mt76_dev *dev, enum mt76_rxq_id qid) mt76_dma_rx_cleanup(dev, q); mt76_dma_sync_idx(dev, q); mt76_dma_rx_fill(dev, q); + + if (!q->rx_head) + return; + + dev_kfree_skb(q->rx_head); + q->rx_head = NULL; } static void @@ -504,7 +499,7 @@ mt76_dma_rx_process(struct mt76_dev *dev, struct mt76_queue *q, int budget) skb_reserve(skb, q->buf_offset); if (q == &dev->q_rx[MT_RXQ_MCU]) { - u32 *rxfce = (u32 *) skb->cb; + u32 *rxfce = (u32 *)skb->cb; *rxfce = info; } |