diff options
author | Wojciech Drewek <wojciech.drewek@intel.com> | 2023-07-12 13:03:28 +0200 |
---|---|---|
committer | Tony Nguyen <anthony.l.nguyen@intel.com> | 2023-07-24 08:52:43 -0700 |
commit | 7aa529a69e92b9aff585e569d5003f7c15d8d60b (patch) | |
tree | cb44ff3a3ba3a6f57a808f2d654dc26650802985 | |
parent | 2571a3fa6251662e5201372f889bf93f234c8261 (diff) |
ice: Don't tx before switchdev is fully configured
There is possibility that ice_eswitch_port_start_xmit might be
called while some resources are still not allocated which might
cause NULL pointer dereference. Fix this by checking if switchdev
configuration was finished.
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Sujai Buvaneswaran <sujai.buvaneswaran@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_eswitch.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_eswitch.c b/drivers/net/ethernet/intel/ice/ice_eswitch.c index be5b22691f7c..15a4c148c28b 100644 --- a/drivers/net/ethernet/intel/ice/ice_eswitch.c +++ b/drivers/net/ethernet/intel/ice/ice_eswitch.c @@ -331,6 +331,9 @@ ice_eswitch_port_start_xmit(struct sk_buff *skb, struct net_device *netdev) np = netdev_priv(netdev); vsi = np->vsi; + if (!vsi || !ice_is_switchdev_running(vsi->back)) + return NETDEV_TX_BUSY; + if (ice_is_reset_in_progress(vsi->back->state) || test_bit(ICE_VF_DIS, vsi->back->state)) return NETDEV_TX_BUSY; |