[dpdk-dev] [PATCH v2] testpmd: fix crash when mempool allocation fails
Olivier Matz
olivier.matz at 6wind.com
Fri Sep 9 11:41:55 CEST 2016
Sorry, I just resent the same one...
On 09/09/2016 11:40 AM, Olivier Matz wrote:
> 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..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",
>
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