6.5-stable review patch. If anyone has any objections, please let me know.
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From: Felix Fietkau nbd@nbd.name
[ Upstream commit 832f42699791e7a90e81c15da0ce886b4f8300b8 ]
The error handling code was added in order to allow tx enqueue to fail after calling .tx_prepare_skb. Since this can no longer happen, the error handling code is unused.
Signed-off-by: Felix Fietkau nbd@nbd.name Stable-dep-of: bde2e77f7626 ("wifi: mt76: mt7996: set correct wcid in txp") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/mediatek/mt76/dma.c | 3 --- .../net/wireless/mediatek/mt76/mt7615/pci_mac.c | 2 +- .../wireless/mediatek/mt76/mt76_connac_mac.c | 17 ----------------- drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 2 +- .../net/wireless/mediatek/mt76/mt7921/pci_mac.c | 2 +- drivers/net/wireless/mediatek/mt76/mt7996/mac.c | 2 +- 6 files changed, 4 insertions(+), 24 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index f539913aadf86..e57ce25f3d816 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -330,9 +330,6 @@ mt76_dma_tx_cleanup_idx(struct mt76_dev *dev, struct mt76_queue *q, int idx, if (e->txwi == DMA_DUMMY_DATA) e->txwi = NULL;
- if (e->skb == DMA_DUMMY_DATA) - e->skb = NULL; - *prev_e = *e; memset(e, 0, sizeof(*e)); } diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c index 0019890fdb784..fbb1181c58ff3 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7615/pci_mac.c @@ -106,7 +106,7 @@ int mt7615_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, else mt76_connac_write_hw_txp(mdev, tx_info, txp, id);
- tx_info->skb = DMA_DUMMY_DATA; + tx_info->skb = NULL;
return 0; } diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c index e415ac5e321f1..a800c071537f8 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c @@ -151,23 +151,6 @@ void mt76_connac_tx_complete_skb(struct mt76_dev *mdev, return; }
- /* error path */ - if (e->skb == DMA_DUMMY_DATA) { - struct mt76_connac_txp_common *txp; - struct mt76_txwi_cache *t; - u16 token; - - txp = mt76_connac_txwi_to_txp(mdev, e->txwi); - if (is_mt76_fw_txp(mdev)) - token = le16_to_cpu(txp->fw.token); - else - token = le16_to_cpu(txp->hw.msdu_id[0]) & - ~MT_MSDU_ID_VALID; - - t = mt76_token_put(mdev, token); - e->skb = t ? t->skb : NULL; - } - if (e->skb) mt76_tx_complete_skb(mdev, e->wcid, e->skb); } diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c index 7df8d95fc3fbc..13071df3f6c21 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c @@ -808,7 +808,7 @@ int mt7915_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, txp->rept_wds_wcid = cpu_to_le16(wcid->idx); else txp->rept_wds_wcid = cpu_to_le16(0x3ff); - tx_info->skb = DMA_DUMMY_DATA; + tx_info->skb = NULL;
/* pass partial skb header to fw */ tx_info->buf[1].len = MT_CT_PARSE_LEN; diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c index 6053a2556c20c..46f1360fbc59a 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/pci_mac.c @@ -48,7 +48,7 @@ int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, memset(txp, 0, sizeof(struct mt76_connac_hw_txp)); mt76_connac_write_hw_txp(mdev, tx_info, txp, id);
- tx_info->skb = DMA_DUMMY_DATA; + tx_info->skb = NULL;
return 0; } diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c index 25c5deb15d213..b18fa4153aeb2 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mac.c @@ -1172,7 +1172,7 @@ int mt7996_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, txp->fw.rept_wds_wcid = cpu_to_le16(wcid->idx); else txp->fw.rept_wds_wcid = cpu_to_le16(0xfff); - tx_info->skb = DMA_DUMMY_DATA; + tx_info->skb = NULL;
/* pass partial skb header to fw */ tx_info->buf[1].len = MT_CT_PARSE_LEN;