[dpdk-dev] [PATCH] examples/ipsec-secgw: fix flow pattern buffer overrun

[psatheesh at marvell.com]

From: Satheesh Paul <psatheesh at marvell.com>

This patch fixes the patterns buffer overrun issue reported
by Coverity.

Coverity issue: 379236
Fixes: 8d0cdaa2d7 ("examples/ipsec-secgw: support mark and security flow action")
Cc: stable at dpdk.org

Signed-off-by: Satheesh Paul <psatheesh at marvell.com>
Reviewed-by: Akhil Goyal <gakhil at marvell.com>
---
 examples/ipsec-secgw/flow.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/examples/ipsec-secgw/flow.c b/examples/ipsec-secgw/flow.c
index aee97b2fc4..9b18be83af 100644
--- a/examples/ipsec-secgw/flow.c
+++ b/examples/ipsec-secgw/flow.c
@@ -270,7 +270,7 @@ parse_flow_tokens(char **tokens, uint32_t n_tokens,
 	nb_flow_rule++;
 }
 
-#define MAX_RTE_FLOW_PATTERN (4)
+#define MAX_RTE_FLOW_PATTERN (5)
 #define MAX_RTE_FLOW_ACTIONS (5)
 
 static void
@@ -334,9 +334,7 @@ flow_init_single(struct flow_rule_entry *rule)
 		pattern[pattern_idx].spec = &rule->ipv4.spec;
 		pattern[pattern_idx].mask = &rule->ipv4.mask;
 		pattern_idx++;
-	}
-
-	if (rule->is_ipv6) {
+	} else if (rule->is_ipv6) {
 		pattern[pattern_idx].type = RTE_FLOW_ITEM_TYPE_IPV6;
 		pattern[pattern_idx].spec = &rule->ipv6.spec;
 		pattern[pattern_idx].mask = &rule->ipv6.mask;
-- 
2.35.3