[dpdk-dev] [PATCH] app/test: Fix potential null pointer accesses in test_mbuf

Tetsuya Mukawa mukawa at igel.co.jp
Fri Jun 12 04:54:00 CEST 2015


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

Signed-off-by: Tetsuya Mukawa <mukawa at igel.co.jp>
---
 app/test/test_mbuf.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app/test/test_mbuf.c b/app/test/test_mbuf.c
index 5e8a377..5d13b37 100644
--- 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");
-- 
2.1.4



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