[PATCH net-next v3 3/8] ixgbe: add rtnl locking in service task around vxlan_get_rx_port
From: Hannes Frederic Sowa <hidden>
Date: 2016-01-06 23:39:44
Subsystem:
intel ethernet drivers, networking drivers, the rest · Maintainers:
Tony Nguyen, Przemek Kitszel, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Protect IXGBE_FLAG2_VXLAN_REREG_NEEDED flag with rtnl_lock as it seems it could be concurrently modified by ixgbe_set_features and ixgbe_del_vxlan_port. Cc: Jeff Kirsher <redacted> Signed-off-by: Hannes Frederic Sowa <redacted> --- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index ea9537d0e63a9d..8bef07196c804d 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c@@ -7115,10 +7115,12 @@ static void ixgbe_service_task(struct work_struct *work) return; } #ifdef CONFIG_IXGBE_VXLAN + rtnl_lock(); if (adapter->flags2 & IXGBE_FLAG2_VXLAN_REREG_NEEDED) { adapter->flags2 &= ~IXGBE_FLAG2_VXLAN_REREG_NEEDED; vxlan_get_rx_port(adapter->netdev); } + rtnl_unlock(); #endif /* CONFIG_IXGBE_VXLAN */ ixgbe_reset_subtask(adapter); ixgbe_phy_interrupt_subtask(adapter);
--
2.5.0