6.16-stable review patch. If anyone has any objections, please let me know.
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From: Fedor Pchelkin pchelkin@ispras.ru
[ Upstream commit 6fe21445f7e801de5527d420f8e25e97b0cdd7e2 ]
The following assertion is triggered on the rtw89 driver startup. It looks meaningless to hold wiphy lock on the early init stage so drop the assertion.
WARNING: CPU: 7 PID: 629 at drivers/net/wireless/realtek/rtw89/sar.c:502 rtw89_set_sar_from_acpi+0x365/0x4d0 [rtw89_core] CPU: 7 UID: 0 PID: 629 Comm: (udev-worker) Not tainted 6.15.0+ #29 PREEMPT(lazy) Hardware name: LENOVO 21D0/LNVNB161216, BIOS J6CN50WW 09/27/2024 RIP: 0010:rtw89_set_sar_from_acpi+0x365/0x4d0 [rtw89_core] Call Trace: <TASK> rtw89_sar_init+0x68/0x2c0 [rtw89_core] rtw89_core_init+0x188e/0x1e50 [rtw89_core] rtw89_pci_probe+0x530/0xb50 [rtw89_pci] local_pci_probe+0xd9/0x190 pci_call_probe+0x183/0x540 pci_device_probe+0x171/0x2c0 really_probe+0x1e1/0x890 __driver_probe_device+0x18c/0x390 driver_probe_device+0x4a/0x120 __driver_attach+0x1a0/0x530 bus_for_each_dev+0x10b/0x190 bus_add_driver+0x2eb/0x540 driver_register+0x1a3/0x3a0 do_one_initcall+0xd5/0x450 do_init_module+0x2cc/0x8f0 init_module_from_file+0xe1/0x150 idempotent_init_module+0x226/0x760 __x64_sys_finit_module+0xcd/0x150 do_syscall_64+0x94/0x380 entry_SYSCALL_64_after_hwframe+0x76/0x7e
Found by Linux Verification Center (linuxtesting.org).
Fixes: 88ca3107d2ce ("wifi: rtw89: sar: add skeleton for SAR configuration via ACPI") Signed-off-by: Fedor Pchelkin pchelkin@ispras.ru Signed-off-by: Ping-Ke Shih pkshih@realtek.com Link: https://patch.msgid.link/20250604161339.119954-1-pchelkin@ispras.ru Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/realtek/rtw89/sar.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtw89/sar.c b/drivers/net/wireless/realtek/rtw89/sar.c index 517b66022f18..33a4b5c23fe7 100644 --- a/drivers/net/wireless/realtek/rtw89/sar.c +++ b/drivers/net/wireless/realtek/rtw89/sar.c @@ -499,8 +499,6 @@ static void rtw89_set_sar_from_acpi(struct rtw89_dev *rtwdev) struct rtw89_sar_cfg_acpi *cfg; int ret;
- lockdep_assert_wiphy(rtwdev->hw->wiphy); - cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); if (!cfg) return;