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softmmu/qdev-monitor: fix use-after-free in qdev_set_id()

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Reported by Coverity (CID 1465222).

Fixes: 4a1d937796 ("softmmu/qdev-monitor: add error handling in qdev_set_id")
Cc: Damien Hedde <damien.hedde@greensocs.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20211102163342.31162-1-stefanha@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Damien Hedde <damien.hedde@greensocs.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2021-11-02 16:33:42 +00:00 committed by Michael S. Tsirkin
parent cd523a4181
commit b66cecb238
1 changed files with 1 additions and 1 deletions
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2
softmmu/qdev-monitor.c
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@ -593,8 +593,8 @@ const char *qdev_set_id(DeviceState *dev, char *id, Error **errp)
if (prop) {
dev->id = id;
} else {
g_free(id);
error_setg(errp, "Duplicate device ID '%s'", id);
g_free(id);
return NULL;
}
} else {