From: Li Qiang <liq...@gmail.com> In 'qemu_chr_open_spice_vmc' if the 'psubtype' is NULL, it will call 'char_spice_finalize'. But as the SpiceChardev is not inserted in the 'spice_chars' list, the 'QLIST_REMOVE' will cause a segfault. Add a detect to avoid it.
Signed-off-by: Li Qiang <liqiang...@360.cn> Message-Id: <1487665107-88004-1-git-send-email-liqiang...@360.cn> Reviewed-by: Marc-André Lureau <marcandre.lur...@redhat.com> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> Signed-off-by: Li Qiang <liq...@gmail.com> --- spice-qemu-char.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/spice-qemu-char.c b/spice-qemu-char.c index 6f46f46..4d1c76e 100644 --- a/spice-qemu-char.c +++ b/spice-qemu-char.c @@ -215,7 +215,10 @@ static void char_spice_finalize(Object *obj) SpiceChardev *s = SPICE_CHARDEV(obj); vmc_unregister_interface(s); - QLIST_REMOVE(s, next); + + if (s->next.le_prev) { + QLIST_REMOVE(s, next); + } g_free((char *)s->sin.subtype); #if SPICE_SERVER_VERSION >= 0x000c02 -- 1.8.3.1