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From: Jason Wang <jasowang@redhat.com>
To: mst@redhat.com, jasowang@redhat.com, qemu-devel@nongnu.org
Cc: eperezma@redhat.com, elic@nvidia.com, lingshan.zhu@intel.com,
	lulu@redhat.com
Subject: [PATCH 05/18] vhost-vdpa: don't cleanup twice in vhost_vdpa_add()
Date: Mon, 21 Jun 2021 12:16:37 +0800	[thread overview]
Message-ID: <20210621041650.5826-6-jasowang@redhat.com> (raw)
In-Reply-To: <20210621041650.5826-1-jasowang@redhat.com>

The previous vhost_net_cleanup is sufficient for freeing, calling
vhost_vdpa_del() in this case will lead an extra round of free. Note
that this kind of "double free" is safe since vhost_dev_cleanup() zero
the whole structure.

Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 net/vhost-vdpa.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c
index 728e63ff54..f5689a7c32 100644
--- a/net/vhost-vdpa.c
+++ b/net/vhost-vdpa.c
@@ -82,16 +82,6 @@ static int vhost_vdpa_net_check_device_id(struct vhost_net *net)
     return ret;
 }
 
-static void vhost_vdpa_del(NetClientState *ncs)
-{
-    VhostVDPAState *s;
-    assert(ncs->info->type == NET_CLIENT_DRIVER_VHOST_VDPA);
-    s = DO_UPCAST(VhostVDPAState, nc, ncs);
-    if (s->vhost_net) {
-        vhost_net_cleanup(s->vhost_net);
-    }
-}
-
 static int vhost_vdpa_add(NetClientState *ncs, void *be)
 {
     VhostNetOptions options;
@@ -122,7 +112,6 @@ err:
     if (net) {
         vhost_net_cleanup(net);
     }
-    vhost_vdpa_del(ncs);
     return -1;
 }
 
-- 
2.25.1



  parent reply	other threads:[~2021-06-21  4:20 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-21  4:16 [PATCH 00/18] vhost-vDPA multiqueue Jason Wang
2021-06-21  4:16 ` [PATCH 01/18] vhost_net: remove the meaningless assignment in vhost_net_start_one() Jason Wang
2021-06-21 11:45   ` Eli Cohen
2021-06-24  7:42     ` Jason Wang
2021-06-21  4:16 ` [PATCH 02/18] vhost: use unsigned int for nvqs Jason Wang
2021-06-21 11:46   ` Eli Cohen
2021-06-21  4:16 ` [PATCH 03/18] vhost_net: do not assume nvqs is always 2 Jason Wang
2021-06-23 14:49   ` Stefano Garzarella
2021-06-24  6:22   ` Eli Cohen
2021-06-24  7:42     ` Jason Wang
2021-06-21  4:16 ` [PATCH 04/18] vhost-vdpa: remove the unnecessary check in vhost_vdpa_add() Jason Wang
2021-06-23 14:53   ` Stefano Garzarella
2021-06-24  6:38     ` Eli Cohen
2021-06-24  7:46     ` Jason Wang
2021-06-21  4:16 ` Jason Wang [this message]
2021-06-23 14:56   ` [PATCH 05/18] vhost-vdpa: don't cleanup twice " Stefano Garzarella
2021-06-21  4:16 ` [PATCH 06/18] vhost-vdpa: fix leaking of vhost_net " Jason Wang
2021-06-23 15:00   ` Stefano Garzarella
2021-06-24  7:06     ` Eli Cohen
2021-06-24  7:10       ` Jason Wang
2021-06-24  7:32         ` Eli Cohen
2021-06-24  7:14     ` Eli Cohen
2021-06-24  7:41       ` Jason Wang
2021-06-21  4:16 ` [PATCH 07/18] vhost-vdpa: tweak the error label " Jason Wang
2021-06-23 15:03   ` Stefano Garzarella
2021-07-06  8:03     ` Jason Wang
2021-07-06  8:10       ` Jason Wang
2021-07-06  8:27         ` Stefano Garzarella
2021-07-06  8:28           ` Jason Wang
2021-06-21  4:16 ` [PATCH 08/18] vhost-vdpa: fix the wrong assertion in vhost_vdpa_init() Jason Wang
2021-06-23 15:04   ` Stefano Garzarella
2021-06-21  4:16 ` [PATCH 09/18] vhost-vdpa: remove the unncessary queue_index assignment Jason Wang
2021-06-23 15:05   ` Stefano Garzarella
2021-06-21  4:16 ` [PATCH 10/18] vhost-vdpa: open device fd in net_init_vhost_vdpa() Jason Wang
2021-06-23 15:07   ` Stefano Garzarella
2021-06-21  4:16 ` [PATCH 11/18] vhost-vdpa: classify one time request Jason Wang
2021-06-21  4:16 ` [PATCH 12/18] vhost-vdpa: prepare for the multiqueue support Jason Wang
2021-06-21  4:16 ` [PATCH 13/18] vhost-vdpa: let net_vhost_vdpa_init() returns NetClientState * Jason Wang
2021-06-21  4:16 ` [PATCH 14/18] net: introduce control client Jason Wang
2021-06-21  4:16 ` [PATCH 15/18] vhost-net: control virtqueue support Jason Wang
2021-06-24  7:42   ` Eli Cohen
2021-06-24  7:44     ` Jason Wang
2021-06-30 17:33   ` Eugenio Perez Martin
2021-07-01  3:03     ` Jason Wang
2021-06-21  4:16 ` [PATCH 16/18] virito-net: use "qps" instead of "queues" when possible Jason Wang
2021-06-21  4:16 ` [PATCH 17/18] virtio-net: vhost control virtqueue support Jason Wang
2021-06-21  4:16 ` [PATCH 18/18] vhost-vdpa: multiqueue support Jason Wang
2021-07-01  6:51   ` Eugenio Perez Martin
2021-07-01  8:15     ` Jason Wang
2021-07-06  7:46     ` Jason Wang
2021-06-21  4:33 ` [PATCH 00/18] vhost-vDPA multiqueue no-reply

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