From: Anthony PERARD Date: Tue, 11 May 2021 09:28:07 +0000 (+0100) Subject: libxl: Assert qmp_ev's state in qmp_ev_qemu_compare_version X-Git-Tag: archive/raspbian/4.16.0+51-g0941d6cb-1+rpi1~2^2~42^2~437 X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=0ff26a3225d69ffec76fe5aca8296852fa951204;p=xen.git libxl: Assert qmp_ev's state in qmp_ev_qemu_compare_version We are supposed to read the version information only when qmp_ev is in state "Connected" (that correspond to state==qmp_state_connected), assert it so that the function isn't used too early. Signed-off-by: Anthony PERARD Reviewed-by: Jason Andryuk --- diff --git a/tools/libs/light/libxl_qmp.c b/tools/libs/light/libxl_qmp.c index 9b638e6f54..d0967c9f02 100644 --- a/tools/libs/light/libxl_qmp.c +++ b/tools/libs/light/libxl_qmp.c @@ -292,6 +292,8 @@ static int qmp_handle_response(libxl__gc *gc, libxl__qmp_handler *qmp, static int qmp_ev_qemu_compare_version(libxl__ev_qmp *ev, int major, int minor, int micro) { + assert(ev->state == qmp_state_connected); + #define CHECK_VERSION(level) do { \ if (ev->qemu_version.level > (level)) return +1; \ if (ev->qemu_version.level < (level)) return -1; \