From: Jerome Jutteau <jerome.jutteau@outscale.com>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v2 2/4] vhost: check that a device exists during reset_owner
Date: Mon, 19 Oct 2015 11:44:27 +0200 [thread overview]
Message-ID: <1445247869-713-3-git-send-email-jerome.jutteau@outscale.com> (raw)
In-Reply-To: <1445247869-713-1-git-send-email-jerome.jutteau@outscale.com>
virtio-net search for it's device in reset_owner.
The function don't check the return result of get_config_ll_entry
which can be NULL.
Signed-off-by: Jerome Jutteau <jerome.jutteau@outscale.com>
---
lib/librte_vhost/virtio-net.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/lib/librte_vhost/virtio-net.c b/lib/librte_vhost/virtio-net.c
index 955a29d..ec6a575 100644
--- a/lib/librte_vhost/virtio-net.c
+++ b/lib/librte_vhost/virtio-net.c
@@ -402,6 +402,8 @@ reset_owner(struct vhost_device_ctx ctx)
uint64_t device_fh;
ll_dev = get_config_ll_entry(ctx);
+ if (ll_dev == NULL)
+ return -1;
device_fh = ll_dev->dev.device_fh;
cleanup_device(&ll_dev->dev);
--
jerome
next prev parent reply other threads:[~2015-10-19 9:45 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-19 9:44 [dpdk-dev] [PATCH v2 0/4] vhost: Fix virtio-net on VHOST_USER_RESET_OWNER Jerome Jutteau
2015-10-19 9:44 ` [dpdk-dev] [PATCH v2 1/4] vhost: avoid device identifier to be reset to 0 in reset_owner Jerome Jutteau
2015-10-19 9:44 ` Jerome Jutteau [this message]
2015-10-19 9:44 ` [dpdk-dev] [PATCH v2 3/4] vhost: protect user_get_vring_base from unknown devices Jerome Jutteau
2015-10-19 9:44 ` [dpdk-dev] [PATCH v2 4/4] vhost: change method to get device in reset_owner Jerome Jutteau
2015-10-20 8:25 ` [dpdk-dev] [PATCH v2 0/4] vhost: Fix virtio-net on VHOST_USER_RESET_OWNER Yuanhan Liu
2015-10-21 10:26 ` Thomas Monjalon
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=1445247869-713-3-git-send-email-jerome.jutteau@outscale.com \
--to=jerome.jutteau@outscale.com \
--cc=dev@dpdk.org \
/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).