linux-kernel - [PATCH 095/190] Revert "rtlwifi: fix a potential NULL pointer dereference"

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Message-Id: <20210421130105.1226686-96-gregkh@linuxfoundation.org>
Date:   Wed, 21 Apr 2021 14:59:30 +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 095/190] Revert "rtlwifi: fix a potential NULL pointer dereference"

This reverts commit 765976285a8c8db3f0eb7f033829a899d0c2786e.

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/realtek/rtlwifi/base.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c
index 6e8bd99e8911..1d067536889e 100644
--- a/drivers/net/wireless/realtek/rtlwifi/base.c
+++ b/drivers/net/wireless/realtek/rtlwifi/base.c
@@ -452,11 +452,6 @@ static void _rtl_init_deferred_work(struct ieee80211_hw *hw)
 	/* <2> work queue */
 	rtlpriv->works.hw = hw;
 	rtlpriv->works.rtl_wq = alloc_workqueue("%s", 0, 0, rtlpriv->cfg->name);
-	if (unlikely(!rtlpriv->works.rtl_wq)) {
-		pr_err("Failed to allocate work queue\n");
-		return;
-	}
-
 	INIT_DELAYED_WORK(&rtlpriv->works.watchdog_wq,
 			  rtl_watchdog_wq_callback);
 	INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,
-- 
2.31.1