From: Carl Huang <cjhuang@codeaurora.org>
To: ath11k@lists.infradead.org
Subject: [PATCH qca6390-bringup] ath11k: fix KASAN warning of ath11k_qmi_wlanfw_wlan_cfg_send
Date: Fri, 20 Dec 2019 16:29:55 +0800 [thread overview]
Message-ID: <1576830595-30610-1-git-send-email-cjhuang@codeaurora.org> (raw)
It's caused by reading memory out of boundary from target_ce_config_wlan.
There is no need to read the last array element even for AHB interface, so
fix it by not reading the last array element.
Signed-off-by: Carl Huang <cjhuang@codeaurora.org>
---
drivers/net/wireless/ath/ath11k/qmi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c
index 44060b2..d0d283b 100644
--- a/drivers/net/wireless/ath/ath11k/qmi.c
+++ b/drivers/net/wireless/ath/ath11k/qmi.c
@@ -2217,7 +2217,7 @@ static int ath11k_qmi_wlanfw_wlan_cfg_send(struct ath11k_base *ab)
req->tgt_cfg_valid = 1;
/* This is number of CE configs */
req->tgt_cfg_len = ab->qmi.ce_cfg.tgt_ce_len;
- for (pipe_num = 0; pipe_num <= req->tgt_cfg_len ; pipe_num++) {
+ for (pipe_num = 0; pipe_num < req->tgt_cfg_len ; pipe_num++) {
req->tgt_cfg[pipe_num].pipe_num = ce_cfg[pipe_num].pipenum;
req->tgt_cfg[pipe_num].pipe_dir = ce_cfg[pipe_num].pipedir;
req->tgt_cfg[pipe_num].nentries = ce_cfg[pipe_num].nentries;
--
2.7.4
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