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RE: [PATCH] infiniband:Fix error handling in the function cm_init_av_by_path

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  RE: [PATCH] infiniband:Fix error handling in the function  cm_init_av_by_path "Hefty, Sean" <sean.hefty@intel.com> - 2015-09-08 18:50 +0200

#1220987 — RE: [PATCH] infiniband:Fix error handling in the function cm_init_av_by_path

> This fixes error handling in the function cm_init_av_by_path
> to properly check if the internal call to the function
> ib_init_ah_from_path has failed by returning a error code and
> if so return immediately to the caller with this error code in
> order to signal/allow the caller to handle the error in its own
> intended error paths.
> 
> Signed-off-by: Nicholas Krause <xerofoify@gmail.com>

Acked-by: Sean Hefty <sean.hefty@intel.com>

> ---
>  drivers/infiniband/core/cm.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
> index 3a972eb..cb021fd 100644
> --- a/drivers/infiniband/core/cm.c
> +++ b/drivers/infiniband/core/cm.c
> @@ -379,8 +379,10 @@ static int cm_init_av_by_path(struct ib_sa_path_rec
> *path, struct cm_av *av)
>  		return ret;
> 
>  	av->port = port;
> -	ib_init_ah_from_path(cm_dev->ib_device, port->port_num, path,
> -			     &av->ah_attr);
> +	ret = ib_init_ah_from_path(cm_dev->ib_device, port->port_num, path,
> +				   &av->ah_attr);
> +	if (ret)
> +		return ret;
>  	av->timeout = path->packet_life_time + 1;
>  	memcpy(av->smac, path->smac, sizeof(av->smac));
> 
> --
> 2.1.4

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