From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: Maxime Coquelin <maxime.coquelin@redhat.com>
Cc: Jens Freimann <jfreimann@redhat.com>, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] vhost: check malloc return value when allocating guest pages
Date: Mon, 22 May 2017 14:37:59 +0800 [thread overview]
Message-ID: <20170522063759.GN2276@yliu-dev> (raw)
In-Reply-To: <60b35110-df0e-f42b-c331-709b6435f737@redhat.com>
On Thu, May 18, 2017 at 10:14:26AM +0200, Maxime Coquelin wrote:
>
>
> On 05/11/2017 05:25 PM, Jens Freimann wrote:
> >When we try to allocate guest pages we need to check the return value of
> >malloc(). Print an error message and return when it fails.
> >
> >Signed-off-by: Jens Freimann <jfreimann@redhat.com>
> >---
> > lib/librte_vhost/vhost_user.c | 7 +++++++
> > 1 file changed, 7 insertions(+)
> >
> >diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
> >index 5c8058b..437e41f 100644
> >--- a/lib/librte_vhost/vhost_user.c
> >+++ b/lib/librte_vhost/vhost_user.c
> >@@ -515,6 +515,13 @@ vhost_user_set_mem_table(struct virtio_net *dev, struct VhostUserMsg *pmsg)
> > dev->max_guest_pages = 8;
> > dev->guest_pages = malloc(dev->max_guest_pages *
> > sizeof(struct guest_page));
> >+ if (dev->guest_pages == NULL) {
> >+ RTE_LOG(ERR, VHOST_CONFIG,
> >+ "(%d) failed to allocate memory "
> >+ "for dev->guest_pages\n",
> >+ dev->vid);
> >+ return -1;
> >+ }
> > }
> > dev->mem = rte_zmalloc("vhost-mem-table", sizeof(struct rte_vhost_memory) +
> >
>
> Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Applied to dpdk-next-virtio.
Thanks.
--yliu
prev parent reply other threads:[~2017-05-22 6:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-11 15:25 Jens Freimann
2017-05-18 8:14 ` Maxime Coquelin
2017-05-22 6:37 ` Yuanhan Liu [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170522063759.GN2276@yliu-dev \
--to=yuanhan.liu@linux.intel.com \
--cc=dev@dpdk.org \
--cc=jfreimann@redhat.com \
--cc=maxime.coquelin@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).