diff options
| author | Alexander Aring <alex.aring@gmail.com> | 2015-06-14 16:48:44 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2015-06-15 01:25:06 +0200 |
| commit | 789a99ecb9cb700eb8f07b9d106b99e705e99471 (patch) | |
| tree | 63f00885c30260aa5761039915972c3240319fa1 /drivers/net/ieee802154 | |
| parent | e6f7ed9dc1164c2f20bd984e251cf4dd5ff61d2c (diff) | |
| download | linux-789a99ecb9cb700eb8f07b9d106b99e705e99471.tar.bz2 | |
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: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/net/ieee802154')
| -rw-r--r-- | drivers/net/ieee802154/fakelb.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ieee802154/fakelb.c b/drivers/net/ieee802154/fakelb.c index 9d0da4ec3e8c..860d4aed8274 100644 --- a/drivers/net/ieee802154/fakelb.c +++ b/drivers/net/ieee802154/fakelb.c @@ -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); } |