[dpdk-dev] [PATCH 3/3] kni: fix unchecked return value

[Min Hu (Connor)]

Return value 'rte_kni_init' of a function is not checked. If
it fails, error handling (logging and return) should be done.

This patch fixed it.

Fixes: 0c6bc8ef70ba ("kni: memzone pool for alloc and release")
Cc: stable at dpdk.org

Signed-off-by: Min Hu (Connor) <humin29 at huawei.com>
---
 app/test/test_kni.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/test/test_kni.c b/app/test/test_kni.c
index 3470005..9673355 100644
--- a/app/test/test_kni.c
+++ b/app/test/test_kni.c
@@ -563,7 +563,11 @@ test_kni(void)
 	closedir(dir);
 
 	/* Initialize KNI subsystem */
-	rte_kni_init(KNI_TEST_MAX_PORTS);
+	ret = rte_kni_init(KNI_TEST_MAX_PORTS);
+	if (ret < 0) {
+		printf("fail to initialize KNI subsystem\n");
+		return -1;
+	}
 
 	if (test_kni_allocate_lcores() < 0) {
 		printf("No enough lcores for kni processing\n");
-- 
2.7.4