Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 76597628 authored by Kangjie Lu's avatar Kangjie Lu Committed by Kalle Valo
Browse files

rtlwifi: fix a potential NULL pointer dereference 



In case alloc_workqueue fails, the fix reports the error and
returns to avoid NULL pointer dereference.

Signed-off-by: default avatarKangjie Lu <kjlu@umn.edu>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 2cd2b424

drivers/net/wireless/realtek/rtlwifi/base.c

+5 −0
Original line number Diff line number Diff line
@@ -448,6 +448,11 @@ 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,

			  (void *)rtl_watchdog_wq_callback);

	INIT_DELAYED_WORK(&rtlpriv->works.ips_nic_off_wq,