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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, chenbo.xia@intel.com, olivier.matz@6wind.com,
amorenoz@redhat.com, david.marchand@redhat.com
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Date: Tue, 19 Jan 2021 22:25:07 +0100
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Subject: [dpdk-dev] [PATCH v2 44/44] net/virtio: handle Virtio-user setup
failure properly
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This patch fixes virtio_user_dev_setup() error path,
by cleaning all resources it allocates.
Suggested-by: Adrian Moreno <amorenoz@redhat.com>
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
drivers/net/virtio/virtio_user/virtio_user_dev.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/net/virtio/virtio_user/virtio_user_dev.c b/drivers/net/virtio/virtio_user/virtio_user_dev.c
index a1e32158bb..2f7dc574b6 100644
--- a/drivers/net/virtio/virtio_user/virtio_user_dev.c
+++ b/drivers/net/virtio/virtio_user/virtio_user_dev.c
@@ -427,15 +427,22 @@ virtio_user_dev_setup(struct virtio_user_dev *dev)
if (virtio_user_dev_init_notify(dev) < 0) {
PMD_INIT_LOG(ERR, "(%s) Failed to init notifiers\n", dev->path);
- return -1;
+ goto destroy;
}
if (virtio_user_fill_intr_handle(dev) < 0) {
PMD_INIT_LOG(ERR, "(%s) Failed to init interrupt handler\n", dev->path);
- return -1;
+ goto uninit;
}
return 0;
+
+uninit:
+ virtio_user_dev_uninit(dev);
+destroy:
+ dev->ops->destroy(dev);
+
+ return -1;
}
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