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[Qemu-devel] [PATCH] qemu-options: Allow -no-user-config again

From: Michal Privoznik
Subject: [Qemu-devel] [PATCH] qemu-options: Allow -no-user-config again
Date: Mon, 14 May 2018 15:45:45 +0200

After 1217d6ca2bf28c0febe1bd7d5b3fa912bbf6af2a we error out
explicitly if an unknown -option was passed on the command line.
However, we are doing two pass command line option parsing. In
the first pass we just look for -no-user-config or -nodefconfig
being present which determines whether we load user config or
not. Then in the second pass we finally parse everything else
throwing an error if an unsupported -option was found. Problem is
that in the second pass -no-user-config and -nodefconfig are not
handled explicitly which makes us throw the unsupported option

Signed-off-by: Michal Privoznik <address@hidden>
 vl.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/vl.c b/vl.c
index b9f6b42779..846cd29d8a 100644
--- a/vl.c
+++ b/vl.c
@@ -4015,6 +4015,10 @@ int main(int argc, char **argv, char **envp)
+            case QEMU_OPTION_nodefconfig:
+            case QEMU_OPTION_nouserconfig:
+                /* Nothing to be parsed here. Especially, do not error out 
below. */
+                break;
                 if (os_parse_cmd_args(popt->index, optarg)) {
                     error_report("Option not supported in this build");

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