[dpdk-dev] [PATCH v5 06/10] examples/ipsec-secgw: fix inbound SA checking

[Konstantin Ananyev <konstantin.ananyev@intel.com>]

In the inbound_sa_check() make sure that sa pointer stored
inside mbuf private area is not NULL.

Fixes: d299106e8e31 ("examples/ipsec-secgw: add IPsec sample application")
Cc: stable@dpdk.org

Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
Acked-by: Radu Nicolau <radu.nicolau@intel.com>
Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
---
 examples/ipsec-secgw/sa.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/examples/ipsec-secgw/sa.c b/examples/ipsec-secgw/sa.c
index f6271bc60..839aaca0c 100644
--- a/examples/ipsec-secgw/sa.c
+++ b/examples/ipsec-secgw/sa.c
@@ -947,10 +947,15 @@ int
 inbound_sa_check(struct sa_ctx *sa_ctx, struct rte_mbuf *m, uint32_t sa_idx)
 {
 	struct ipsec_mbuf_metadata *priv;
+	struct ipsec_sa *sa;
 
 	priv = get_priv(m);
+	sa = priv->sa;
+	if (sa != NULL)
+		return (sa_ctx->sa[sa_idx].spi == sa->spi);
 
-	return (sa_ctx->sa[sa_idx].spi == priv->sa->spi);
+	RTE_LOG(ERR, IPSEC, "SA not saved in private data\n");
+	return 0;
 }
 
 static inline void
-- 
2.17.1