From mboxrd@z Thu Jan 1 00:00:00 1970 From: Olivier Matz Subject: [PATCH] testpmd: fix crash when mempool allocation fails Date: Fri, 9 Sep 2016 10:16:25 +0200 Message-ID: <1473408985-13131-1-git-send-email-olivier.matz@6wind.com> Cc: stable@dpdk.org To: dev@dpdk.org, pablo.de.lara.guarch@intel.com Return-path: List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" 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 --- 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..e0f8285 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