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qemu-options: Bail out on unsupported options instead of silently ignoring them

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The dangling remainder of the -tdf option revealed a deficiency in our
option parsing: Options that have been declared, but are not supported
in the switch-case statement in vl.c and not handled in the OS-specifc
os_parse_cmd_args() functions are currently silently ignored. We should
rather tell the users that they specified something that we can not
handle, so let's print an error message and exit instead.

Reported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1525453270-23074-3-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Thomas Huth 2018-05-04 19:01:07 +02:00 • committed by Paolo Bonzini
parent 281b95231d
commit 1217d6ca2b
4 changed files with 12 additions and 5 deletions
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2
include/qemu-common.h
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@ -137,7 +137,7 @@ char *qemu_find_file(int type, const char *name);
/* OS specific functions */
void os_setup_early_signal_handling(void);
char *os_find_datadir(void);
void os_parse_cmd_args(int index, const char *optarg);
int os_parse_cmd_args(int index, const char *optarg);
#include "qemu/module.h"