[PATCH 1/2] net/virtio: propagate return value of called function
Xia, Chenbo
chenbo.xia at intel.com
Thu May 11 10:19:50 CEST 2023
> -----Original Message-----
> From: Boleslav Stankevich <boleslav.stankevich at oktetlabs.ru>
> Sent: Wednesday, March 22, 2023 6:23 PM
> To: dev at dpdk.org
> Cc: Boleslav Stankevich <boleslav.stankevich at oktetlabs.ru>;
> stable at dpdk.org; Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>; Maxime
> Coquelin <maxime.coquelin at redhat.com>; Xia, Chenbo <chenbo.xia at intel.com>;
> David Marchand <david.marchand at redhat.com>; Hyong Youb Kim
> <hyonkim at cisco.com>; Harman Kalra <hkalra at marvell.com>
> Subject: [PATCH 1/2] net/virtio: propagate return value of called function
>
> rte_intr_vec_list_alloc() may fail because of different reasons which
> are indicated by different negative errno values.
>
> Fixes: d61138d4f0e2 ("drivers: remove direct access to interrupt handle")
> Cc: stable at dpdk.org
>
> Signed-off-by: Boleslav Stankevich <boleslav.stankevich at oktetlabs.ru>
> Signed-off-by: Andrew Rybchenko <andrew.rybchenko at oktetlabs.ru>
> ---
> drivers/net/virtio/virtio_ethdev.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/net/virtio/virtio_ethdev.c
> b/drivers/net/virtio/virtio_ethdev.c
> index ae84d313be..5c8b7b95e9 100644
> --- a/drivers/net/virtio/virtio_ethdev.c
> +++ b/drivers/net/virtio/virtio_ethdev.c
> @@ -1390,6 +1390,7 @@ static int
> virtio_configure_intr(struct rte_eth_dev *dev)
> {
> struct virtio_hw *hw = dev->data->dev_private;
> + int ret;
>
> if (!rte_intr_cap_multiple(dev->intr_handle)) {
> PMD_INIT_LOG(ERR, "Multiple intr vector not supported");
> @@ -1401,11 +1402,12 @@ virtio_configure_intr(struct rte_eth_dev *dev)
> return -1;
> }
>
> - if (rte_intr_vec_list_alloc(dev->intr_handle, "intr_vec",
> - hw->max_queue_pairs)) {
> + ret = rte_intr_vec_list_alloc(dev->intr_handle, "intr_vec",
> + hw->max_queue_pairs);
> + if (ret < 0) {
> PMD_INIT_LOG(ERR, "Failed to allocate %u rxq vectors",
> hw->max_queue_pairs);
> - return -ENOMEM;
> + return ret;
> }
>
> if (dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC) {
> --
> 2.30.2
I assume the mailmap warning should be fixed when merging. So:
Reviewed-by: Chenbo Xia <chenbo.xia at intel.com>
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