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authorMarkus Armbruster <armbru@redhat.com>2013-07-04 15:09:17 +0200
committerAnthony Liguori <aliguori@us.ibm.com>2013-07-09 13:38:56 -0500
commit96bc97ebf350ec480b69082819cedb8850f46a0f (patch)
treead28c35f205d8eb1d85b021664a4711ccc0889cd /util
parent154bb106dc195b4fbb76df0452ab6e3e24e80d72 (diff)
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qemu-option: Fix qemu_opts_find() for null id arguments
Crashes when the first list member has an ID. Admittedly nonsensical reproducer: $ qemu-system-x86_64 -nodefaults -machine id=foo -machine "" Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1372943363-24081-2-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'util')
-rw-r--r--util/qemu-option.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/util/qemu-option.c b/util/qemu-option.c
index 412c425..2715f27 100644
--- a/util/qemu-option.c
+++ b/util/qemu-option.c
@@ -706,16 +706,12 @@ QemuOpts *qemu_opts_find(QemuOptsList *list, const char *id)
QemuOpts *opts;
QTAILQ_FOREACH(opts, &list->head, next) {
- if (!opts->id) {
- if (!id) {
- return opts;
- }
- continue;
+ if (!opts->id && !id) {
+ return opts;
}
- if (strcmp(opts->id, id) != 0) {
- continue;
+ if (opts->id && id && !strcmp(opts->id, id)) {
+ return opts;
}
- return opts;
}
return NULL;
}