[dpdk-dev] [PATCH] app/testpmd: fix possible uninitialized variable usage

[Ferruh Yigit]

ol_flags can be wrong if DEV_TX_OFFLOAD_VLAN_INSERT is not set in
tx_offloads

Fixes: 3eecba267cd6 ("app/testpmd: cleanup internal Tx offloads flags field")
Cc: stable at dpdk.org

Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
---
 app/test-pmd/flowgen.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/test-pmd/flowgen.c b/app/test-pmd/flowgen.c
index 0531b5d27..3214e3c95 100644
--- a/app/test-pmd/flowgen.c
+++ b/app/test-pmd/flowgen.c
@@ -123,7 +123,7 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
 	struct ipv4_hdr *ip_hdr;
 	struct udp_hdr *udp_hdr;
 	uint16_t vlan_tci, vlan_tci_outer;
-	uint64_t ol_flags;
+	uint64_t ol_flags = 0;
 	uint16_t nb_rx;
 	uint16_t nb_tx;
 	uint16_t nb_pkt;
@@ -155,7 +155,7 @@ pkt_burst_flow_gen(struct fwd_stream *fs)
 
 	tx_offloads = ports[fs->tx_port].dev_conf.txmode.offloads;
 	if (tx_offloads	& DEV_TX_OFFLOAD_VLAN_INSERT)
-		ol_flags = PKT_TX_VLAN_PKT;
+		ol_flags |= PKT_TX_VLAN_PKT;
 	if (tx_offloads & DEV_TX_OFFLOAD_QINQ_INSERT)
 		ol_flags |= PKT_TX_QINQ_PKT;
 	if (tx_offloads	& DEV_TX_OFFLOAD_MACSEC_INSERT)
-- 
2.17.2