patches for DPDK stable branches
 help / color / mirror / Atom feed
From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, xuan.ding@intel.com, stephen@networkplumber.org,
	thomas@monjalon.net, stable@dpdk.org, chenbo.xia@intel.com,
	xuemingl@nvidia.com
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: [dpdk-stable] [PATCH v4 3/3] vhost: fix fd leak in kick setup
Date: Thu, 12 Nov 2020 18:10:29 +0100
Message-ID: <20201112171029.354593-4-maxime.coquelin@redhat.com> (raw)
In-Reply-To: <20201112171029.354593-1-maxime.coquelin@redhat.com>

This patch fixes a file descriptor leak which happens
in the error path of vhost_user_set_vring_kick().

Fixes: 4796ad63ba1f ("examples/vhost: import userspace vhost application")
Cc: stable@dpdk.org

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
---
 lib/librte_vhost/vhost_user.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 23c115f994..45c8ac09da 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -1858,8 +1858,12 @@ vhost_user_set_vring_kick(struct virtio_net **pdev, struct VhostUserMsg *msg,
 
 	/* Interpret ring addresses only when ring is started. */
 	dev = translate_ring_addresses(dev, file.index);
-	if (!dev)
+	if (!dev) {
+		if (file.fd != VIRTIO_INVALID_EVENTFD)
+			close(file.fd);
+
 		return RTE_VHOST_MSG_RESULT_ERR;
+	}
 
 	*pdev = dev;
 
-- 
2.26.2


  parent reply	other threads:[~2020-11-12 17:11 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-12 17:10 [dpdk-stable] [PATCH v4 0/3] vhost: fix fd an memory leaks Maxime Coquelin
2020-11-12 17:10 ` [dpdk-stable] [PATCH v4 1/3] vhost: fix error path when setting memory tables Maxime Coquelin
2020-11-13  7:39   ` Xueming(Steven) Li
2020-11-12 17:10 ` [dpdk-stable] [PATCH v4 2/3] vhost: fix fd leak in dirty logging setup Maxime Coquelin
2020-11-12 17:10 ` Maxime Coquelin [this message]
2020-11-13  7:41   ` [dpdk-stable] [PATCH v4 3/3] vhost: fix fd leak in kick setup Xueming(Steven) Li
2020-11-13  8:39 ` [dpdk-stable] [PATCH v4 0/3] vhost: fix fd an memory leaks Maxime Coquelin

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=20201112171029.354593-4-maxime.coquelin@redhat.com \
    --to=maxime.coquelin@redhat.com \
    --cc=chenbo.xia@intel.com \
    --cc=dev@dpdk.org \
    --cc=stable@dpdk.org \
    --cc=stephen@networkplumber.org \
    --cc=thomas@monjalon.net \
    --cc=xuan.ding@intel.com \
    --cc=xuemingl@nvidia.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

patches for DPDK stable branches

This inbox may be cloned and mirrored by anyone:

	git clone --mirror https://inbox.dpdk.org/stable/0 stable/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 stable stable/ https://inbox.dpdk.org/stable \
		stable@dpdk.org
	public-inbox-index stable

Example config snippet for mirrors.
Newsgroup available over NNTP:
	nntp://inbox.dpdk.org/inbox.dpdk.stable


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git