[dpdk-dev] [PATCH v2] net/failsafe: fix failsafe bus uninit return value
Gaëtan Rivet
gaetan.rivet at 6wind.com
Tue Aug 29 11:02:10 CEST 2017
On Tue, Aug 29, 2017 at 11:55:45AM +0300, Raslan Darawsheh wrote:
> fs_bus_uninit is always returning 0 no matter what was the status
> of each sub device bus_uninit value.
>
> Fixes: a46f8d58 ("net/failsafe: add fail-safe PMD")
>
> Signed-off-by: Raslan Darawsheh <rasland at mellanox.com>
> ---
> drivers/net/failsafe/failsafe_eal.c | 20 ++++++++++----------
> 1 file changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/net/failsafe/failsafe_eal.c b/drivers/net/failsafe/failsafe_eal.c
> index c8f4318..f6e44ca 100644
> --- a/drivers/net/failsafe/failsafe_eal.c
> +++ b/drivers/net/failsafe/failsafe_eal.c
> @@ -90,19 +90,21 @@ fs_bus_uninit(struct rte_eth_dev *dev)
> {
> struct sub_device *sdev = NULL;
> uint8_t i;
> - int ret;
> + int sdev_ret;
> + int ret = 0;
>
> FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_PROBED) {
> - ret = rte_eal_hotplug_remove(sdev->bus->name,
> - sdev->dev->name);
> - if (ret) {
> - ERROR("Failed to remove requested device %s",
> - sdev->dev->name);
> + sdev_ret = rte_eal_hotplug_remove(sdev->bus->name,
> + sdev->dev->name);
> + if (sdev_ret) {
> + ERROR("Failed to remove requested device %s"
> + "(errno: %d)", sdev->dev->name, sdev_ret);
The error string should be on one line to help grepping the issue.
The code displayed is not errno, it should not be named as such.
+ ERROR("Failed to remove requested device %s (%d)",
+ sdev->dev->name, sdev_ret);
> + ret = -1;
> continue;
> }
> sdev->state = DEV_PROBED - 1;
> }
> - return 0;
> + return ret;
> }
>
> int
> @@ -111,8 +113,6 @@ failsafe_eal_uninit(struct rte_eth_dev *dev)
> int ret;
>
> ret = fs_bus_uninit(dev);
> - if (ret)
> - return ret;
> PRIV(dev)->state = DEV_PROBED - 1;
> - return 0;
> + return ret;
> }
> --
> 2.7.4
>
Otherwise,
Acked-by: Gaetan Rivet <gaetan.rivet at 6wind.com>
--
Gaëtan Rivet
6WIND
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