i40e: fix flow director packet filter programming

[ Upstream commit c672297bbc0e86dbf88396b8053e2fbb173f16ff ]

Initialize to zero structures to build a valid
Tx Packet used for the filter programming.

Fixes: a9219b332f52 ("i40e: VLAN field for flow director")
Signed-off-by: Radoslaw Tyl <radoslawx.tyl@intel.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Tested-by: Arpana Arland <arpanax.arland@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
index 8f5aad9bbba33d6d01933cf537b2dae2a8dd14d8..9787e794eeda6eed8b093216d0a2cc277a34fb0a 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c
@@ -170,10 +170,10 @@ static char *i40e_create_dummy_packet(u8 *dummy_packet, bool ipv4, u8 l4proto,
                                      struct i40e_fdir_filter *data)
 {
        bool is_vlan = !!data->vlan_tag;
-       struct vlan_hdr vlan;
-       struct ipv6hdr ipv6;
-       struct ethhdr eth;
-       struct iphdr ip;
+       struct vlan_hdr vlan = {};
+       struct ipv6hdr ipv6 = {};
+       struct ethhdr eth = {};
+       struct iphdr ip = {};
        u8 *tmp;
 
        if (ipv4) {