On 3/6/2017 3:13 PM, Pascal Mazon wrote: > Store the device name in dev->data->name, to have symmetrical behavior > between rte_pmd_tap_probe(name) and rte_pmd_tap_remove(name). > > The netdevice name (linux interface name) is stored in the name field of > struct pmd_internals. > > snprintf(data->name) has been moved closer to the rte_ethdev_allocate() > as it should use the same name. > > Signed-off-by: Pascal Mazon <pascal.ma...@6wind.com> > --- > drivers/net/tap/rte_eth_tap.c | 5 +++-- > 1 file changed, 3 insertions(+), 2 deletions(-) > > diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c > index 47a706070652..ece3a5fcc897 100644 > --- a/drivers/net/tap/rte_eth_tap.c > +++ b/drivers/net/tap/rte_eth_tap.c > @@ -663,7 +663,9 @@ eth_dev_tap_create(const char *name, char *tap_name) > goto error_exit; > } > > - dev = rte_eth_dev_allocate(tap_name); > + /* name in allocation and data->name must be consistent */ > + snprintf(data->name, sizeof(data->name), "%s", name);
When you use correct name (name) for rte_eth_dev_allocate(), snprintf() no more required. rte_eth_dev_allocate() already does it [1]. [1] http://dpdk.org/browse/dpdk/tree/lib/librte_ether/rte_ethdev.c#n230 > + dev = rte_eth_dev_allocate(name); > if (!dev) { > RTE_LOG(ERR, PMD, "TAP Unable to allocate device struct\n"); > goto error_exit; > @@ -691,7 +693,6 @@ eth_dev_tap_create(const char *name, char *tap_name) > dev->driver = NULL; > dev->rx_pkt_burst = pmd_rx_burst; > dev->tx_pkt_burst = pmd_tx_burst; > - snprintf(dev->data->name, sizeof(dev->data->name), "%s", name); > > /* Presetup the fds to -1 as being not valid */ > for (i = 0; i < RTE_PMD_TAP_MAX_QUEUES; i++) { >