[dpdk-dev] [PATCH v3] testpmd: fix crash when mempool allocation fails
Olivier Matz
olivier.matz at 6wind.com
Fri Sep 9 11:42:08 CEST 2016
Avoid access to mempool pointer if it is NULL.
Fixes: b19a0c75a0d4 ("app/testpmd: remove anonymous mempool code")
Coverity issue: 127553
Signed-off-by: Olivier Matz <olivier.matz at 6wind.com>
---
app/test-pmd/testpmd.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index 1428974..e5f5986 100644
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -444,10 +444,13 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
mb_size, (unsigned) mb_mempool_cache,
sizeof(struct rte_pktmbuf_pool_private),
socket_id, 0);
+ if (rte_mp == NULL)
+ goto err;
if (rte_mempool_populate_anon(rte_mp) == 0) {
rte_mempool_free(rte_mp);
rte_mp = NULL;
+ goto err;
}
rte_pktmbuf_pool_init(rte_mp, NULL);
rte_mempool_obj_iter(rte_mp, rte_pktmbuf_init, NULL);
@@ -458,6 +461,7 @@ mbuf_pool_create(uint16_t mbuf_seg_size, unsigned nb_mbuf,
}
}
+err:
if (rte_mp == NULL) {
rte_exit(EXIT_FAILURE,
"Creation of mbuf pool for socket %u failed: %s\n",
--
2.8.1
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