Re: [PATCH v2 for-next] RDMA: Fix return value check for ib_get_eth_speed()

[Yuval Shaia <yuval.shaia-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>]

On Thu, Aug 17, 2017 at 07:58:07AM -0700, Selvin Xavier wrote:
> ib_get_eth_speed() return 0 on success. Fixing the condition checking
> and prevent reporting failure for query_port verb.
> 
> Fixes: d41861942fc5 ("Add generic function to extract IB speed from netdev")

oops

Reviewed-by: Yuval Shaia <yuval.shaia-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>

> Signed-off-by: Selvin Xavier <selvin.xavier-dY08KVG/lbpWk0Htik3J/w@public.gmane.org>
> ---
> v1 -> v2:
> 	Fixing the commit log. Also, fixes the same issue in usnic driver also
>  drivers/infiniband/hw/bnxt_re/ib_verbs.c     | 4 ++--
>  drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 4 ++--
>  2 files changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
> index d78fedc..3fa20e0 100644
> --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
> +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
> @@ -264,8 +264,8 @@ int bnxt_re_query_port(struct ib_device *ibdev, u8 port_num,
>  	 * IB stack to avoid race in the NETDEV_UNREG path
>  	 */
>  	if (test_bit(BNXT_RE_FLAG_IBDEV_REGISTERED, &rdev->flags))
> -		if (!ib_get_eth_speed(ibdev, port_num, &port_attr->active_speed,
> -				      &port_attr->active_width))
> +		if (ib_get_eth_speed(ibdev, port_num, &port_attr->active_speed,
> +				     &port_attr->active_width))
>  			return -EINVAL;
>  	return 0;
>  }
> diff --git a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
> index e5f57dd..97dd79e 100644
> --- a/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
> +++ b/drivers/infiniband/hw/usnic/usnic_ib_verbs.c
> @@ -309,8 +309,8 @@ int usnic_ib_query_port(struct ib_device *ibdev, u8 port,
>  	usnic_dbg("\n");
>  
>  	mutex_lock(&us_ibdev->usdev_lock);
> -	if (!ib_get_eth_speed(ibdev, port, &props->active_speed,
> -			      &props->active_width)) {
> +	if (ib_get_eth_speed(ibdev, port, &props->active_speed,
> +			     &props->active_width)) {
>  		mutex_unlock(&us_ibdev->usdev_lock);
>  		return -EINVAL;
>  	}
> -- 
> 2.5.5
> 
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