diff options
| author | Alexander Aring <alex.aring@gmail.com> | 2015-05-17 21:45:04 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2015-05-19 11:44:46 +0200 |
| commit | 6fa2cffe8cf937fc10be362a2dcac8a5965f618e (patch) | |
| tree | dcd4bbfad53a414cc1a2ae8cb2bd8ef973b9441e /drivers/net/ieee802154 | |
| parent | b82b99f16bc207291b14228441cfffbfd23d5f49 (diff) | |
| download | linux-6fa2cffe8cf937fc10be362a2dcac8a5965f618e.tar.bz2 | |
fakelb: move lock out of iteration
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@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/net/ieee802154')
| -rw-r--r-- | drivers/net/ieee802154/fakelb.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/ieee802154/fakelb.c b/drivers/net/ieee802154/fakelb.c index c7e7d506224f..e1c0195c18aa 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; } |