qemu-kvm/kvm-vhost-vdpa-fix-improper-cleanup-in-net_init_vhost_vd.patch

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From c10ef6f79d4a4c8ccc5901b25234501c621e4e04 Mon Sep 17 00:00:00 2001
From: Si-Wei Liu <si-wei.liu@oracle.com>
Date: Fri, 6 May 2022 19:28:14 -0700
Subject: [PATCH 16/24] vhost-vdpa: fix improper cleanup in net_init_vhost_vdpa
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Jason Wang <jasowang@redhat.com>
RH-MergeRequest: 187: Multiqueue fixes for vhost-vDPA
RH-Commit: [3/7] b3b658dcb4695defe1fdb199570fb984291e8e21
RH-Bugzilla: 2069946
RH-Acked-by: Eugenio Pérez <eperezma@redhat.com>
RH-Acked-by: Cindy Lu <lulu@redhat.com>
RH-Acked-by: Laurent Vivier <lvivier@redhat.com>
... such that no memory leaks on dangling net clients in case of
error.
Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Message-Id: <1651890498-24478-4-git-send-email-si-wei.liu@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
(cherry picked from commit 9bd055073e375c8a0d7ebce925e05d914d69fc7f)
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
net/vhost-vdpa.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index 25dd6dd975..814f704687 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -306,7 +306,9 @@ int net_init_vhost_vdpa(const Netdev *netdev, const char *name,
err:
if (i) {
- qemu_del_net_client(ncs[0]);
+ for (i--; i >= 0; i--) {
+ qemu_del_net_client(ncs[i]);
+ }
}
qemu_close(vdpa_device_fd);
g_free(ncs);
--
2.35.3