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X-Received-From: 2607:f8b0:4864:20::542 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Xie Yongji , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Xie Yongji Use a zero-initialized VuVirtqInflightDesc struct to avoid that scan-build reports that vq->resubmit_list[0].counter may be garbage value in vu_check_queue_inflights(). Fixes: 5f9ff1eff ("libvhost-user: Support tracking inflight I/O in shared memory") Reported-by: Marc-Andr=C3=A9 Lureau Signed-off-by: Xie Yongji --- contrib/libvhost-user/libvhost-user.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/contrib/libvhost-user/libvhost-user.c b/contrib/libvhost-user/= libvhost-user.c index 68c27136ae..e76d6e9920 100644 --- a/contrib/libvhost-user/libvhost-user.c +++ b/contrib/libvhost-user/libvhost-user.c @@ -992,7 +992,7 @@ vu_check_queue_inflights(VuDev *dev, VuVirtq *vq) vq->shadow_avail_idx =3D vq->last_avail_idx =3D vq->inuse + vq->used_i= dx; =20 if (vq->inuse) { - vq->resubmit_list =3D malloc(sizeof(VuVirtqInflightDesc) * vq->inu= se); + vq->resubmit_list =3D g_malloc0(sizeof(VuVirtqInflightDesc) * vq->= inuse); if (!vq->resubmit_list) { return -1; } @@ -1605,10 +1605,8 @@ vu_deinit(VuDev *dev) vq->err_fd =3D -1; } =20 - if (vq->resubmit_list) { - free(vq->resubmit_list); - vq->resubmit_list =3D NULL; - } + g_free(vq->resubmit_list); + vq->resubmit_list =3D NULL; =20 vq->inflight =3D NULL; } @@ -2263,7 +2261,7 @@ vu_queue_pop(VuDev *dev, VuVirtq *vq, size_t sz) elem =3D vu_queue_map_desc(dev, vq, vq->resubmit_list[i].index, sz= ); =20 if (!vq->resubmit_num) { - free(vq->resubmit_list); + g_free(vq->resubmit_list); vq->resubmit_list =3D NULL; } =20 --=20 2.17.1