linux-kernel - [PATCH 154/190] Revert "ath6kl: return error code in ath6kl_wmi_set_roam_lrssi

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Message-Id: <20210421130105.1226686-155-gregkh@linuxfoundation.org>
Date:   Wed, 21 Apr 2021 15:00:29 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Kangjie Lu <kjlu@....edu>, Kalle Valo <kvalo@...eaurora.org>
Subject: [PATCH 154/190] Revert "ath6kl: return error code in ath6kl_wmi_set_roam_lrssi_cmd()"

This reverts commit fc6a6521556c8250e356ddc6a3f2391aa62dc976.

Commits from @umn.edu addresses have been found to be submitted in "bad
faith" to try to test the kernel community's ability to review "known
malicious" changes.  The result of these submissions can be found in a
paper published at the 42nd IEEE Symposium on Security and Privacy
entitled, "Open Source Insecurity: Stealthily Introducing
Vulnerabilities via Hypocrite Commits" written by Qiushi Wu (University
of Minnesota) and Kangjie Lu (University of Minnesota).

Because of this, all submissions from this group must be reverted from
the kernel tree and will need to be re-reviewed again to determine if
they actually are a valid fix.  Until that work is complete, remove this
change to ensure that no problems are being introduced into the
codebase.

Cc: Kangjie Lu <kjlu@....edu>
Cc: Kalle Valo <kvalo@...eaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/net/wireless/ath/ath6kl/wmi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c
index b137e7f34397..aca9732ec1ee 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
@@ -776,8 +776,10 @@ int ath6kl_wmi_set_roam_lrssi_cmd(struct wmi *wmi, u8 lrssi)
 	cmd->info.params.roam_rssi_floor = DEF_LRSSI_ROAM_FLOOR;
 	cmd->roam_ctrl = WMI_SET_LRSSI_SCAN_PARAMS;

-	return ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
+	ath6kl_wmi_cmd_send(wmi, 0, skb, WMI_SET_ROAM_CTRL_CMDID,
 			    NO_SYNC_WMIFLAG);
+
+	return 0;
 }

 int ath6kl_wmi_force_roam_cmd(struct wmi *wmi, const u8 *bssid)
-- 
2.31.1