app/test: fix crash after mbuf allocation failure

The patch fixes potential null pointer accesses in test_mbuf.
If 'm[i]' is null, stop accessing it.

Signed-off-by: Tetsuya Mukawa <mukawa@igel.co.jp>

diff --git a/app/test/test_mbuf.c b/app/test/test_mbuf.c
index 5e8a377..5d13b37 100644 (file)
--- a/app/test/test_mbuf.c
+++ b/app/test/test_mbuf.c
@@ -594,6 +594,7 @@ test_pktmbuf_pool_ptr(void)
                if (m[i] == NULL) {
                        printf("rte_pktmbuf_alloc() failed (%u)\n", i);
                        ret = -1;
+                       break;
                }
                m[i]->data_off += 64;
        }
@@ -613,6 +614,7 @@ test_pktmbuf_pool_ptr(void)
                if (m[i] == NULL) {
                        printf("rte_pktmbuf_alloc() failed (%u)\n", i);
                        ret = -1;
+                       break;
                }
                if (m[i]->data_off != RTE_PKTMBUF_HEADROOM) {
                        printf("invalid data_off\n");