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rtl8822ce: Initialize spinlock before usage

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Issue: Kernel warning print observed from rtl8822ce module
    2024-04-23 21:04:14,547: [   42.507680] Call trace:
    2024-04-23 21:04:14,547: [   42.510201]  dump_backtrace+0xe0/0x140
    2024-04-23 21:04:14,547: [   42.514079]  show_stack+0x1c/0x30
    2024-04-23 21:04:14,547: [   42.517502]  dump_stack_lvl+0x64/0x84
    2024-04-23 21:04:14,648: [   42.521290]  dump_stack+0x14/0x34
    2024-04-23 21:04:14,648: [   42.524703]  spin_dump+0x98/0xb0
    2024-04-23 21:04:14,648: [   42.528030]  do_raw_spin_lock+0x110/0x130
    2024-04-23 21:04:14,648: [   42.532165]  _raw_spin_lock_irqsave+0x34/0xb0
    2024-04-23 21:04:14,648: [   42.536666]  rtl8822ce_reset_bd+0x50/0x334 [rtl8822ce]
    2024-04-23 21:04:14,648: [   42.542087]  rtw_hal_irp_reset+0x20/0x28 [rtl8822ce]
    2024-04-23 21:04:14,648: [   42.547290]  rtw_halmac_rx_agg_switch+0x728/0x9a8 [rtl8822ce]
    2024-04-23 21:04:14,648: [   42.553272]  rtw_halmac_dlfw+0x90/0xc0 [rtl8822ce]
    2024-04-23 21:04:14,648: [   42.558281]  rtl8822c_fw_dl+0x4c/0x17c [rtl8822ce]
    2024-04-23 21:04:14,648: [   42.563302]  rtw_hal_fw_dl+0x20/0x34 [rtl8822ce]
    2024-04-23 21:04:14,648: [   42.568136]  hal_read_mac_hidden_rpt+0x10c/0x32c [rtl8822ce]
    2024-04-23 21:04:14,648: [   42.574063]  rtl8822c_read_efuse+0x86c/0x1438 [rtl8822ce]
    2024-04-23 21:04:14,648: [   42.579726]  rtl8822ce_aspm_config_l1off+0x40c/0x998 [rtl8822ce]
    2024-04-23 21:04:14,648: [   42.586009]  rtw_hal_read_chip_info+0xc4/0xec [rtl8822ce]
    2024-04-23 21:04:14,648: [   42.591668]  rtw_pci_primary_adapter_init+0x13c/0xd4c0 [rtl8822ce]
    2024-04-23 21:04:14,648: [   42.598134]  rtw_pci_primary_adapter_init+0xd30/0xd4c0 [rtl8822ce]
    2024-04-23 21:04:14,648: [   42.604598]  local_pci_probe+0x44/0xd0
    2024-04-23 21:04:14,648: [   42.608500]  pci_device_probe+0xb0/0x270

Fix: Initialize the lock before using it

Bug 3414392

Change-Id: I82b6f00b4a3599665b1a7194b5785a785d11501a
Signed-off-by: Revanth Kumar Uppala <ruppala@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3123003
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Shobek Attupurath
2021-10-26 16:00:27 -07:00
committed by mobile promotions
parent 8b529ece8f
commit 0313251d13
2 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/wireless/realtek/rtl8822ce/hal/rtl8822c/pci/rtl8822ce_ops.c
View File

@@ -1,6 +1,7 @@
/******************************************************************************
*
* Copyright(c) 2015 - 2017 Realtek Corporation.
* Copyright (c) 2024, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
@@ -71,6 +72,7 @@ void rtl8822ce_reset_bd(_adapter *padapter)
}
}
_rtw_spinlock_init(&pdvobjpriv->irq_th_lock);
_enter_critical(&pdvobjpriv->irq_th_lock, &irqL);
for (i = 0; i < PCI_MAX_TX_QUEUE_COUNT; i++) {
if (t_priv->tx_ring[i].buf_desc) {

2
drivers/net/wireless/realtek/rtl8822ce/hal/rtl8822c/pci/rtl8822ce_xmit.c
View File

@@ -52,8 +52,6 @@ s32 rtl8822ce_init_xmit_priv(_adapter *padapter)
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct dvobj_priv *pdvobjpriv = adapter_to_dvobj(padapter);
_rtw_spinlock_init(&pdvobjpriv->irq_th_lock);
#ifdef PLATFORM_LINUX
tasklet_init(&pxmitpriv->xmit_tasklet,
rtl8822ce_xmit_tasklet,