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Re: [PATCH] softmmu: Provide a clue as to why device tree loading failed
From: |
David Gibson |
Subject: |
Re: [PATCH] softmmu: Provide a clue as to why device tree loading failed |
Date: |
Mon, 17 Jan 2022 12:16:54 +1100 |
On Sun, Jan 16, 2022 at 12:46:49PM +0100, Bernhard Beschow wrote:
> fdt_open_into() obligingly returns an error code in case the operation
> failed. So be obliging as well and use it in the error message.
>
> Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
> ---
> softmmu/device_tree.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/softmmu/device_tree.c b/softmmu/device_tree.c
> index 3965c834ca..31d1066940 100644
> --- a/softmmu/device_tree.c
> +++ b/softmmu/device_tree.c
> @@ -60,7 +60,8 @@ void *create_device_tree(int *sizep)
> }
> ret = fdt_open_into(fdt, fdt, *sizep);
> if (ret) {
> - error_report("Unable to copy device tree in memory");
> + error_report("%s: Unable to copy device tree into memory: %s",
> + __func__, fdt_strerror(ret));
> exit(1);
> }
>
> @@ -104,7 +105,8 @@ void *load_device_tree(const char *filename_path, int
> *sizep)
>
> ret = fdt_open_into(fdt, fdt, dt_size);
> if (ret) {
> - error_report("Unable to copy device tree in memory");
> + error_report("%s: Unable to copy device tree into memory: %s",
> + __func__, fdt_strerror(ret));
> goto fail;
> }
>
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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