From d4fae97d8fb50d7e3387458af24c85bac965957d Mon Sep 17 00:00:00 2001 From: Bernhard Beschow Date: Sun, 16 Jan 2022 12:46:49 +0100 Subject: [PATCH] softmmu: Provide a clue as to why device tree loading failed MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: David Gibson Reviewed-by: Alistair Francis Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20220116114649.40859-1-shentey@gmail.com> Signed-off-by: Laurent Vivier --- 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; }