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Re: [Qemu-devel] [PATCH 1/5] xilinx: Fix error handling


From: Alistair Francis
Subject: Re: [Qemu-devel] [PATCH 1/5] xilinx: Fix error handling
Date: Thu, 8 Jun 2017 09:29:04 -0700

On Thu, Jun 8, 2017 at 6:39 AM, Eduardo Habkost <address@hidden> wrote:
> Assigning directly to *errp is not valid, as errp may be NULL,
> &error_fatal, or &error_abort.  Use error_propagate() instead.
>
> error_propagate() handles non-NULL *errp correctly, so the
> "if (!*errp)" check can be removed.
>
> Cc: "Edgar E. Iglesias" <address@hidden>
> Cc: Alistair Francis <address@hidden>
> Cc: Jason Wang <address@hidden>
> Cc: address@hidden
> Signed-off-by: Eduardo Habkost <address@hidden>

Reviewed-by: Alistair Francis <address@hidden>

Thanks,
Alistair

> ---
>  hw/dma/xilinx_axidma.c  | 4 +---
>  hw/net/xilinx_axienet.c | 4 +---
>  2 files changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/hw/dma/xilinx_axidma.c b/hw/dma/xilinx_axidma.c
> index 6065689ad1..3987b5ff96 100644
> --- a/hw/dma/xilinx_axidma.c
> +++ b/hw/dma/xilinx_axidma.c
> @@ -554,9 +554,7 @@ static void xilinx_axidma_realize(DeviceState *dev, Error 
> **errp)
>      return;
>
>  xilinx_axidma_realize_fail:
> -    if (!*errp) {
> -        *errp = local_err;
> -    }
> +    error_propagate(errp, local_err);
>  }
>
>  static void xilinx_axidma_init(Object *obj)
> diff --git a/hw/net/xilinx_axienet.c b/hw/net/xilinx_axienet.c
> index b6701844d3..5ffa739f68 100644
> --- a/hw/net/xilinx_axienet.c
> +++ b/hw/net/xilinx_axienet.c
> @@ -981,9 +981,7 @@ static void xilinx_enet_realize(DeviceState *dev, Error 
> **errp)
>      return;
>
>  xilinx_enet_realize_fail:
> -    if (!*errp) {
> -        *errp = local_err;
> -    }
> +    error_propagate(errp, local_err);
>  }
>
>  static void xilinx_enet_init(Object *obj)
> --
> 2.11.0.259.g40922b1
>
>



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