From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/drivers/net/wireless/marvell/mwifiex/pcie.c | 27 ++++++++++++++++++---------
1 files changed, 18 insertions(+), 9 deletions(-)
diff --git a/kernel/drivers/net/wireless/marvell/mwifiex/pcie.c b/kernel/drivers/net/wireless/marvell/mwifiex/pcie.c
index b002489..7cec639 100644
--- a/kernel/drivers/net/wireless/marvell/mwifiex/pcie.c
+++ b/kernel/drivers/net/wireless/marvell/mwifiex/pcie.c
@@ -183,7 +183,7 @@
.can_ext_scan = true,
};
-static const struct of_device_id mwifiex_pcie_of_match_table[] = {
+static const struct of_device_id mwifiex_pcie_of_match_table[] __maybe_unused = {
{ .compatible = "pci11ab,2b42" },
{ .compatible = "pci1b4b,2b42" },
{ }
@@ -200,6 +200,8 @@
}
static void mwifiex_pcie_work(struct work_struct *work);
+static int mwifiex_pcie_delete_rxbd_ring(struct mwifiex_adapter *adapter);
+static int mwifiex_pcie_delete_evtbd_ring(struct mwifiex_adapter *adapter);
static int
mwifiex_map_pci_memory(struct mwifiex_adapter *adapter, struct sk_buff *skb,
@@ -794,14 +796,15 @@
if (!skb) {
mwifiex_dbg(adapter, ERROR,
"Unable to allocate skb for RX ring.\n");
- kfree(card->rxbd_ring_vbase);
return -ENOMEM;
}
if (mwifiex_map_pci_memory(adapter, skb,
MWIFIEX_RX_DATA_BUF_SIZE,
- DMA_FROM_DEVICE))
- return -1;
+ DMA_FROM_DEVICE)) {
+ kfree_skb(skb);
+ return -ENOMEM;
+ }
buf_pa = MWIFIEX_SKB_DMA_ADDR(skb);
@@ -851,7 +854,6 @@
if (!skb) {
mwifiex_dbg(adapter, ERROR,
"Unable to allocate skb for EVENT buf.\n");
- kfree(card->evtbd_ring_vbase);
return -ENOMEM;
}
skb_put(skb, MAX_EVENT_SIZE);
@@ -859,8 +861,7 @@
if (mwifiex_map_pci_memory(adapter, skb, MAX_EVENT_SIZE,
DMA_FROM_DEVICE)) {
kfree_skb(skb);
- kfree(card->evtbd_ring_vbase);
- return -1;
+ return -ENOMEM;
}
buf_pa = MWIFIEX_SKB_DMA_ADDR(skb);
@@ -1060,6 +1061,7 @@
*/
static int mwifiex_pcie_create_rxbd_ring(struct mwifiex_adapter *adapter)
{
+ int ret;
struct pcie_service_card *card = adapter->card;
const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
@@ -1098,7 +1100,10 @@
(u32)((u64)card->rxbd_ring_pbase >> 32),
card->rxbd_ring_size);
- return mwifiex_init_rxq_ring(adapter);
+ ret = mwifiex_init_rxq_ring(adapter);
+ if (ret)
+ mwifiex_pcie_delete_rxbd_ring(adapter);
+ return ret;
}
/*
@@ -1129,6 +1134,7 @@
*/
static int mwifiex_pcie_create_evtbd_ring(struct mwifiex_adapter *adapter)
{
+ int ret;
struct pcie_service_card *card = adapter->card;
const struct mwifiex_pcie_card_reg *reg = card->pcie.reg;
@@ -1163,7 +1169,10 @@
(u32)((u64)card->evtbd_ring_pbase >> 32),
card->evtbd_ring_size);
- return mwifiex_pcie_init_evt_ring(adapter);
+ ret = mwifiex_pcie_init_evt_ring(adapter);
+ if (ret)
+ mwifiex_pcie_delete_evtbd_ring(adapter);
+ return ret;
}
/*
--
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