From e01cc82c4d1ec3bddcbb7cd991cf5dc0131ed9a1 Mon Sep 17 00:00:00 2001
From: Wen Gong <wgong@codeaurora.org>
Date: Fri, 15 Nov 2019 09:21:32 +0200
Subject: [PATCH] ath10k: correct the tlv len of ath10k_wmi_tlv_op_gen_config_pno_start
Git-commit: e01cc82c4d1ec3bddcbb7cd991cf5dc0131ed9a1
Patch-mainline: v5.6-rc1
References: git-fixes
the tlv len is set to the total len of the wmi cmd, it will trigger
firmware crash, correct the tlv len.
Tested with QCA6174 SDIO with firmware
WLAN.RMH.4.4.1-00017-QCARMSWP-1 and QCA6174
PCIE with firmware WLAN.RM.4.4.1-00110-QCARMSWPZ-1.
Fixes: ce834e280f2f875 ("ath10k: support NET_DETECT WoWLAN feature")
Signed-off-by: Wen Gong <wgong@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/ath/ath10k/wmi-tlv.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
index 69a1ec53df29..7b358484940e 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c
@@ -3707,6 +3707,7 @@ ath10k_wmi_tlv_op_gen_config_pno_start(struct ath10k *ar,
struct wmi_tlv *tlv;
struct sk_buff *skb;
__le32 *channel_list;
+ u16 tlv_len;
size_t len;
void *ptr;
u32 i;
@@ -3764,10 +3765,12 @@ ath10k_wmi_tlv_op_gen_config_pno_start(struct ath10k *ar,
/* nlo_configured_parameters(nlo_list) */
cmd->no_of_ssids = __cpu_to_le32(min_t(u8, pno->uc_networks_count,
WMI_NLO_MAX_SSIDS));
+ tlv_len = __le32_to_cpu(cmd->no_of_ssids) *
+ sizeof(struct nlo_configured_parameters);
tlv = ptr;
tlv->tag = __cpu_to_le16(WMI_TLV_TAG_ARRAY_STRUCT);
- tlv->len = __cpu_to_le16(len);
+ tlv->len = __cpu_to_le16(tlv_len);
ptr += sizeof(*tlv);
nlo_list = ptr;
--
2.16.4