[v2] net/vhost: fix return value of vhost creates not checked
Checks
Commit Message
The function eth_dev_vhost_create() could return errors,
the return value need to be checked.
Fixes: ee584e9710b9 ("vhost: add driver on top of the library")
Cc: stable@dpdk.org
Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
---
v2:
-change function eth_dev_vhost_create return 0 on success
---
drivers/net/vhost/rte_eth_vhost.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
Comments
On Tue, Dec 17, 2019 at 09:36:17AM +0800, Yunjian Wang wrote:
>
> - eth_dev_vhost_create(dev, iface_name, queues, dev->device.numa_node,
> - flags, disable_flags);
> + ret = eth_dev_vhost_create(dev, iface_name, queues,
> + dev->device.numa_node, flags, disable_flags);
> + if (ret == -1)
> + VHOST_LOG(ERR, "Failed to create %s", name);
A newline is needed at the end of the error message.
Other than that,
Reviewed-by: Tiwei Bie <tiwei.bie@intel.com>
Thanks, I will fix it in v3.
Yunjian
> -----Original Message-----
> From: Tiwei Bie [mailto:tiwei.bie@intel.com]
> Sent: Tuesday, January 7, 2020 10:32 AM
> To: wangyunjian <wangyunjian@huawei.com>
> Cc: dev@dpdk.org; maxime.coquelin@redhat.com; zhihong.wang@intel.com;
> xudingke <xudingke@huawei.com>; stable@dpdk.org
> Subject: Re: [PATCH v2] net/vhost: fix return value of vhost creates not checked
>
> On Tue, Dec 17, 2019 at 09:36:17AM +0800, Yunjian Wang wrote:
> >
> > - eth_dev_vhost_create(dev, iface_name, queues, dev->device.numa_node,
> > - flags, disable_flags);
> > + ret = eth_dev_vhost_create(dev, iface_name, queues,
> > + dev->device.numa_node, flags, disable_flags);
> > + if (ret == -1)
> > + VHOST_LOG(ERR, "Failed to create %s", name);
>
> A newline is needed at the end of the error message.
> Other than that,
>
> Reviewed-by: Tiwei Bie <tiwei.bie@intel.com>
@@ -1302,7 +1302,7 @@ struct vhost_xstats_name_off {
}
rte_eth_dev_probing_finish(eth_dev);
- return data->port_id;
+ return 0;
error:
if (internal) {
@@ -1455,8 +1455,10 @@ struct vhost_xstats_name_off {
if (dev->device.numa_node == SOCKET_ID_ANY)
dev->device.numa_node = rte_socket_id();
- eth_dev_vhost_create(dev, iface_name, queues, dev->device.numa_node,
- flags, disable_flags);
+ ret = eth_dev_vhost_create(dev, iface_name, queues,
+ dev->device.numa_node, flags, disable_flags);
+ if (ret == -1)
+ VHOST_LOG(ERR, "Failed to create %s", name);
out_free:
rte_kvargs_free(kvlist);