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qemu-option: Allow deleting opts during qemu_opts_foreach()

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Use QTAILQ_FOREACH_SAFE() so that the current QemuOpts can be deleted
while iterating through the whole list.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20211008133442.141332-11-kwolf@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Kevin Wolf 2021-10-08 15:34:37 +02:00
parent 4a1d937796
commit 30648dd5d6
1 changed files with 2 additions and 2 deletions
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4
util/qemu-option.c
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@ -1126,11 +1126,11 @@ int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func,
void *opaque, Error **errp) void *opaque, Error **errp)
{ {
Location loc; Location loc;
QemuOpts *opts; QemuOpts *opts, *next;
int rc = 0; int rc = 0;
loc_push_none(&loc); loc_push_none(&loc);
QTAILQ_FOREACH(opts, &list->head, next) { QTAILQ_FOREACH_SAFE(opts, &list->head, next, next) {
loc_restore(&opts->loc); loc_restore(&opts->loc);
rc = func(opaque, opts, errp); rc = func(opaque, opts, errp);
if (rc) { if (rc) {