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softmmu: Provide a clue as to why device tree loading failed 

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>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20220116114649.40859-1-shentey@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Bernhard Beschow 2022-01-16 12:46:49 +01:00 committed by Laurent Vivier
parent 6d4c8af321
commit d4fae97d8f
1 changed files with 4 additions and 2 deletions
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6
softmmu/device_tree.c
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@ -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;
}