The list need to be protected while iteration which is need when other
list iterates at the same time over this list.
Signed-off-by: Alexander Aring <alex.aring@xxxxxxxxx>
---
drivers/net/ieee802154/fakelb.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ieee802154/fakelb.c b/drivers/net/ieee802154/fakelb.c
index 850d5b3..47f8ba5 100644
--- a/drivers/net/ieee802154/fakelb.c
+++ b/drivers/net/ieee802154/fakelb.c
@@ -193,9 +193,7 @@ err_reg:
static void fakelb_del(struct fakelb_phy *phy)
{
- write_lock_bh(&fakelb_lock);
list_del(&phy->list);
- write_unlock_bh(&fakelb_lock);
ieee802154_unregister_hw(phy->hw);
ieee802154_free_hw(phy->hw);
@@ -217,8 +215,10 @@ static int fakelb_probe(struct platform_device *pdev)
return 0;
err_slave:
+ write_lock_bh(&fakelb_lock);
list_for_each_entry_safe(phy, tmp, &fakelb_phys, list)
fakelb_del(phy);
+ write_unlock_bh(&fakelb_lock);
return err;
}
@@ -226,9 +226,10 @@ static int fakelb_remove(struct platform_device *pdev)
{
struct fakelb_phy *phy, *temp;
+ write_lock_bh(&fakelb_lock);
list_for_each_entry_safe(phy, temp, &fakelb_phys, list)
fakelb_del(phy);
-
+ write_unlock_bh(&fakelb_lock);
return 0;
}
--
2.3.7
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