6.1-stable review patch. If anyone has any objections, please let me know.
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From: Jeff Johnson quic_jjohnson@quicinc.com
[ Upstream commit fa645e663165d69f05f95a0c3aa3b3d08f4fdeda ]
Currently the soc_dp_stats debugfs file has the following permissions:
-rw------- 1 root root 0 Mar 4 15:04 /sys/kernel/debug/ath11k/pci-0000:03:00.0/soc_dp_stats
However this file does not actually support write operations -- no .write() method is registered. Therefore use the correct permissions when creating the file.
After the change:
-r-------- 1 root root 0 Mar 4 15:15 /sys/kernel/debug/ath11k/pci-0000:03:00.0/soc_dp_stats
Tested-on: WCN6855 hw2.1 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30
Signed-off-by: Jeff Johnson quic_jjohnson@quicinc.com Signed-off-by: Kalle Valo quic_kvalo@quicinc.com Link: https://msgid.link/20240305-fix-soc_dp_stats-permission-v1-1-2ec10b42f755@qu... Stable-dep-of: 9f6e82d11bb9 ("wifi: ath11k: avoid burning CPU in ath11k_debugfs_fw_stats_request()") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/ath/ath11k/debugfs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath11k/debugfs.c b/drivers/net/wireless/ath/ath11k/debugfs.c index 5bb6fd17fdf6f..34aa04d27a1d7 100644 --- a/drivers/net/wireless/ath/ath11k/debugfs.c +++ b/drivers/net/wireless/ath/ath11k/debugfs.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: BSD-3-Clause-Clear /* * Copyright (c) 2018-2020 The Linux Foundation. All rights reserved. + * Copyright (c) 2021-2024 Qualcomm Innovation Center, Inc. All rights reserved. */
#include <linux/vmalloc.h> @@ -979,7 +980,7 @@ int ath11k_debugfs_pdev_create(struct ath11k_base *ab) debugfs_create_file("simulate_fw_crash", 0600, ab->debugfs_soc, ab, &fops_simulate_fw_crash);
- debugfs_create_file("soc_dp_stats", 0600, ab->debugfs_soc, ab, + debugfs_create_file("soc_dp_stats", 0400, ab->debugfs_soc, ab, &fops_soc_dp_stats);
if (ab->hw_params.sram_dump.start != 0)