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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, xuan.ding@intel.com, stephen@networkplumber.org,
	ferruh.yigit@intel.com, thomas@monjalon.net,
	chenbo.xia@intel.com
Cc: stable@dpdk.org, Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: [dpdk-dev] [PATCH 3/3] vhost: fix fd leak in kick setup
Date: Thu,  5 Nov 2020 12:45:49 +0100
Message-ID: <20201105114549.97717-4-maxime.coquelin@redhat.com> (raw)
In-Reply-To: <20201105114549.97717-1-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>
---
 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 7dfda15991..de06b051be 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -1855,8 +1855,12 @@ 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:[~2020-11-05 11:47 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-05 11:45 [dpdk-dev] [PATCH 0/3] vhost: fix fd an memory leaks Maxime Coquelin
2020-11-05 11:45 ` [dpdk-dev] [PATCH 1/3] vhost: fix error path when setting memory tables Maxime Coquelin
2020-11-06  2:53   ` Xia, Chenbo
2020-11-06  8:13     ` Maxime Coquelin
2020-11-05 11:45 ` [dpdk-dev] [PATCH 2/3] vhost: fix fd leak in dirty logging setup Maxime Coquelin
2020-11-06  2:53   ` Xia, Chenbo
2020-11-06  8:07     ` Maxime Coquelin
2020-11-05 11:45 ` Maxime Coquelin [this message]
2020-11-06  2:53   ` [dpdk-dev] [PATCH 3/3] vhost: fix fd leak in kick setup Xia, Chenbo

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