From 10dc0358e802ea60f95432f89c8dd051767fc06f Mon Sep 17 00:00:00 2001 From: Anjali Singhai Jain Date: Thu, 1 Oct 2015 14:37:35 -0400 Subject: [PATCH] i40e: fix a bug in debugfs with add/del macaddr The new code flow requires us to grab the filter list lock before adding/deleting the filter. Change-ID: I4eaef508ab4da2d1b2e23f20f2a78d931d5b6aeb Signed-off-by: Anjali Singhai Jain Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40e/i40e_debugfs.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c index d15bd62eb874..d4b7af9a2fc8 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_debugfs.c +++ b/drivers/net/ethernet/intel/i40e/i40e_debugfs.c @@ -1137,7 +1137,9 @@ static ssize_t i40e_dbg_command_write(struct file *filp, goto command_write_done; } + spin_lock_bh(&vsi->mac_filter_list_lock); f = i40e_add_filter(vsi, ma, vlan, false, false); + spin_unlock_bh(&vsi->mac_filter_list_lock); ret = i40e_sync_vsi_filters(vsi, true); if (f && !ret) dev_info(&pf->pdev->dev, @@ -1174,7 +1176,9 @@ static ssize_t i40e_dbg_command_write(struct file *filp, goto command_write_done; } + spin_lock_bh(&vsi->mac_filter_list_lock); i40e_del_filter(vsi, ma, vlan, false, false); + spin_unlock_bh(&vsi->mac_filter_list_lock); ret = i40e_sync_vsi_filters(vsi, true); if (!ret) dev_info(&pf->pdev->dev, -- 2.20.1