[Qemu-devel] [PATCH] vl.c: print error message if loading fw_cfg file failed

[Li Qiang]

It makes sense to print the error message while reading
file failed.

Signed-off-by: Li Qiang <liq...@gmail.com>
---
 vl.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/vl.c b/vl.c
index b2a405f..ee6f982 100644
--- a/vl.c
+++ b/vl.c
@@ -2234,8 +2234,10 @@ static int parse_fw_cfg(void *opaque, QemuOpts *opts, 
Error **errp)
         size = strlen(str); /* NUL terminator NOT included in fw_cfg blob */
         buf = g_memdup(str, size);
     } else {
-        if (!g_file_get_contents(file, &buf, &size, NULL)) {
-            error_setg(errp, "can't load %s", file);
+        GError *err = NULL;
+        if (!g_file_get_contents(file, &buf, &size, &err)) {
+            error_setg(errp, "can't load %s, %s", file, err->message);
+            g_error_free(err);
             return -1;
         }
     }
-- 
1.8.3.1