> -----Original Message----- > From: Tiwei Bie [mailto:tiwei....@intel.com] > Sent: Monday, December 16, 2019 1:33 PM > To: wangyunjian <wangyunj...@huawei.com> > Cc: dev@dpdk.org; maxime.coque...@redhat.com; zhihong.w...@intel.com; > xudingke <xudin...@huawei.com>; sta...@dpdk.org > Subject: Re: [PATCH] net/vhost: fix return value of vhost creates not checked > > On Mon, Dec 16, 2019 at 09:05:59AM +0800, Yunjian Wang wrote: > > 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: sta...@dpdk.org > > > > Signed-off-by: Yunjian Wang <wangyunj...@huawei.com> > > --- > > drivers/net/vhost/rte_eth_vhost.c | 6 ++++-- > > 1 file changed, 4 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/net/vhost/rte_eth_vhost.c > > b/drivers/net/vhost/rte_eth_vhost.c > > index 46f01a7..7e4faf2 100644 > > --- a/drivers/net/vhost/rte_eth_vhost.c > > +++ b/drivers/net/vhost/rte_eth_vhost.c > > @@ -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); > > This will set "ret" to port id on success, but we shouldn't return port id in > probe.
OK, I agree. How about function eth_dev_vhost_create can return 0 on success? Thanks Yunjian > > > > > out_free: > > rte_kvargs_free(kvlist); > > -- > > 1.8.3.1 > > > >
