From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: Olivier Matz <olivier.matz@6wind.com>
Cc: dev@dpdk.org, pablo.de.lara.guarch@intel.com, stable@dpdk.org
Subject: Re: [dpdk-stable] [PATCH] testpmd: fix crash when mempool allocation fails
Date: Fri, 9 Sep 2016 16:25:01 +0800 [thread overview]
Message-ID: <20160909082501.GW7328@yliu-dev.sh.intel.com> (raw)
In-Reply-To: <1473408985-13131-1-git-send-email-olivier.matz@6wind.com>
On Fri, Sep 09, 2016 at 10:16:25AM +0200, 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@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:
A minor nit: there is a heading white space char.
--yliu
> if (rte_mp == NULL) {
> rte_exit(EXIT_FAILURE,
> "Creation of mbuf pool for socket %u failed: %s\n",
> --
> 2.8.1
next prev parent reply other threads:[~2016-09-09 8:24 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-09 8:16 Olivier Matz
2016-09-09 8:25 ` Yuanhan Liu [this message]
2016-09-09 8:43 ` Olivier Matz
2016-09-09 9:40 ` [dpdk-stable] [PATCH v2] " Olivier Matz
2016-09-09 9:42 ` [dpdk-stable] [PATCH v3] " Olivier Matz
2016-09-21 23:02 ` De Lara Guarch, Pablo
2016-09-23 18:17 ` Thomas Monjalon
2016-09-27 6:37 ` Yuanhan Liu
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