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

Commit 789a99ec authored by Alexander Aring's avatar Alexander Aring Committed by Marcel Holtmann
Browse files

fakelb: add xmit_async after stop testcase 



This patch adds a suspended testcase into the xmit_async functionality.
In the hope that we can found race conditions when xmit_async is called
after an ieee802154_ops stop. This should never happen.

Signed-off-by: default avatarAlexander Aring <alex.aring@gmail.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent e6f7ed9d

drivers/net/ieee802154/fakelb.c

+5 −0
Original line number Diff line number Diff line
@@ -41,6 +41,8 @@ struct fakelb_phy { 
	u8 page;

	u8 channel;



	bool suspended;



	struct list_head list;

	struct list_head list_ifup;

};
@@ -69,6 +71,7 @@ static int fakelb_hw_xmit(struct ieee802154_hw *hw, struct sk_buff *skb) 
	struct fakelb_phy *current_phy = hw->priv, *phy;



	read_lock_bh(&fakelb_ifup_phys_lock);

	WARN_ON(current_phy->suspended);

	list_for_each_entry(phy, &fakelb_ifup_phys, list_ifup) {

		if (current_phy == phy)

			continue;
@@ -92,6 +95,7 @@ static int fakelb_hw_start(struct ieee802154_hw *hw) 
	struct fakelb_phy *phy = hw->priv;



	write_lock_bh(&fakelb_ifup_phys_lock);

	phy->suspended = false;

	list_add(&phy->list_ifup, &fakelb_ifup_phys);

	write_unlock_bh(&fakelb_ifup_phys_lock);
@@ -103,6 +107,7 @@ static void fakelb_hw_stop(struct ieee802154_hw *hw) 
	struct fakelb_phy *phy = hw->priv;



	write_lock_bh(&fakelb_ifup_phys_lock);

	phy->suspended = true;

	list_del(&phy->list_ifup);

	write_unlock_bh(&fakelb_ifup_phys_lock);

}