[PATCH] net/i40e: fix dereferencing null pointer
From: Kuba Kozak <hidden>
Date: 2017-07-27 07:28:22
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add check if o_vlan_mask and i_vlan_mask are
not a NULL pointer.
Coverity issue: 143448
Coverity issue: 143449
Fixes: d37705068ee8 ("net/i40e: parse QinQ pattern")
Cc: stable@dpdk.org
Signed-off-by: Kuba Kozak <redacted>
---
drivers/net/i40e/i40e_flow.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/net/i40e/i40e_flow.c b/drivers/net/i40e/i40e_flow.c
index 95af701..b92719a 100644
--- a/drivers/net/i40e/i40e_flow.c
+++ b/drivers/net/i40e/i40e_flow.c@@ -3719,8 +3719,10 @@ i40e_flow_parse_qinq_pattern(__rte_unused struct rte_eth_dev *dev, } /* Get filter specification */ - if ((o_vlan_mask->tci == rte_cpu_to_be_16(I40E_TCI_MASK)) && - (i_vlan_mask->tci == rte_cpu_to_be_16(I40E_TCI_MASK))) { + if ((o_vlan_mask != NULL) && (o_vlan_mask->tci == + rte_cpu_to_be_16(I40E_TCI_MASK)) && + (i_vlan_mask != NULL) && + (i_vlan_mask->tci == rte_cpu_to_be_16(I40E_TCI_MASK))) { filter->outer_vlan = rte_be_to_cpu_16(o_vlan_spec->tci) & I40E_TCI_MASK; filter->inner_vlan = rte_be_to_cpu_16(i_vlan_spec->tci)
--
2.7.4