linux-kernel - [PATCH 5.9 196/757] ath11k: Fix possible memleak in ath11k_qmi_init

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Date:   Tue, 27 Oct 2020 14:47:26 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Wang Yufen <wangyufen@...wei.com>,
        Kalle Valo <kvalo@...eaurora.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.9 196/757] ath11k: Fix possible memleak in ath11k_qmi_init_service

From: Wang Yufen <wangyufen@...wei.com>

[ Upstream commit 28f1632118818d9dccabf4c0fccfe49686742317 ]

When qmi_add_lookup fail, we should destroy the workqueue

Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wang Yufen <wangyufen@...wei.com>
Signed-off-by: Kalle Valo <kvalo@...eaurora.org>
Link: https://lore.kernel.org/r/1595237804-66297-1-git-send-email-wangyufen@huawei.com
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/wireless/ath/ath11k/qmi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c
index c00a99ad8dbc1..497cff7e64cc5 100644
--- a/drivers/net/wireless/ath/ath11k/qmi.c
+++ b/drivers/net/wireless/ath/ath11k/qmi.c
@@ -2419,6 +2419,7 @@ int ath11k_qmi_init_service(struct ath11k_base *ab)
 			     ATH11K_QMI_WLFW_SERVICE_INS_ID_V01);
 	if (ret < 0) {
 		ath11k_warn(ab, "failed to add qmi lookup\n");
+		destroy_workqueue(ab->qmi.event_wq);
 		return ret;
 	}
 
-- 
2.25.1