[v3 2/3] examples/l3fwd: fix return value on rules add

[Gagandeep Singh <g.singh@nxp.com>]

fix return value on adding the EM or LPM rules.

Fixes: e7e6dd643092 ("examples/l3fwd: support config file for EM")
Fixes: 52def963fc1c ("examples/l3fwd: support config file for LPM/FIB")
Cc: sean.morrissey@intel.com
Cc: stable@dpdk.org

Signed-off-by: Gagandeep Singh <g.singh@nxp.com>
---
 examples/l3fwd/em_route_parse.c  | 11 ++++++-----
 examples/l3fwd/lpm_route_parse.c | 11 ++++++-----
 2 files changed, 12 insertions(+), 10 deletions(-)

diff --git a/examples/l3fwd/em_route_parse.c b/examples/l3fwd/em_route_parse.c
index da23356dd6..8b534de5f1 100644
--- a/examples/l3fwd/em_route_parse.c
+++ b/examples/l3fwd/em_route_parse.c
@@ -119,7 +119,7 @@ em_add_rules(const char *rule_path,
 	char buff[LINE_MAX];
 	FILE *fh;
 	unsigned int i = 0, rule_size = sizeof(*next);
-	int val;
+	int val, rc;
 
 	*proute_base = NULL;
 	fh = fopen(rule_path, "rb");
@@ -172,13 +172,14 @@ em_add_rules(const char *rule_path,
 			return -EINVAL;
 		}
 
-		if (parser(buff + 1, next) != 0) {
+		rc = parser(buff + 1, next);
+		if (rc != 0) {
 			RTE_LOG(ERR, L3FWD,
-				"%s Line %u: parse rules error\n",
-				rule_path, i);
+				"%s Line %u: parse rules error code = %d\n",
+				rule_path, i, rc);
 			fclose(fh);
 			free(route_rules);
-			return -EINVAL;
+			return rc;
 		}
 
 		route_cnt++;
diff --git a/examples/l3fwd/lpm_route_parse.c b/examples/l3fwd/lpm_route_parse.c
index 2df1b3e925..09f6b1951b 100644
--- a/examples/l3fwd/lpm_route_parse.c
+++ b/examples/l3fwd/lpm_route_parse.c
@@ -183,7 +183,7 @@ lpm_add_rules(const char *rule_path,
 	char buff[LINE_MAX];
 	FILE *fh;
 	unsigned int i = 0, rule_size = sizeof(*next);
-	int val;
+	int val, rc;
 
 	*proute_base = NULL;
 	fh = fopen(rule_path, "rb");
@@ -236,13 +236,14 @@ lpm_add_rules(const char *rule_path,
 			return -EINVAL;
 		}
 
-		if (parser(buff + 1, next) != 0) {
+		rc = parser(buff + 1, next);
+		if (rc != 0) {
 			RTE_LOG(ERR, L3FWD,
-				"%s Line %u: parse rules error\n",
-				rule_path, i);
+				"%s Line %u: parse rules error code = %d\n",
+				rule_path, i, rc);
 			fclose(fh);
 			free(route_rules);
-			return -EINVAL;
+			return rc;
 		}
 
 		route_cnt++;
-- 
2.25.1