From: Philippe Mathieu-Daudé Date: Mon, 2 Nov 2020 09:23:39 +0000 (+0100) Subject: tools/virtiofsd: Check vu_init() return value (CID 1435958) X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2693026042d2f6f5749babb8827b8098ed5d7eb4;p=qemu.git tools/virtiofsd: Check vu_init() return value (CID 1435958) Since commit 6f5fd837889, vu_init() can fail if malloc() returns NULL. This fixes the following Coverity warning: CID 1435958 (#1 of 1): Unchecked return value (CHECKED_RETURN) Fixes: 6f5fd837889 ("libvhost-user: support many virtqueues") Reviewed-by: Dr. David Alan Gilbert Signed-off-by: Philippe Mathieu-Daudé Message-Id: <20201102092339.2034297-1-philmd@redhat.com> Signed-off-by: Dr. David Alan Gilbert --- diff --git a/tools/virtiofsd/fuse_virtio.c b/tools/virtiofsd/fuse_virtio.c index 324936948d..83ba07c6cd 100644 --- a/tools/virtiofsd/fuse_virtio.c +++ b/tools/virtiofsd/fuse_virtio.c @@ -1013,8 +1013,11 @@ int virtio_session_mount(struct fuse_session *se) se->vu_socketfd = data_sock; se->virtio_dev->se = se; pthread_rwlock_init(&se->virtio_dev->vu_dispatch_rwlock, NULL); - vu_init(&se->virtio_dev->dev, 2, se->vu_socketfd, fv_panic, NULL, - fv_set_watch, fv_remove_watch, &fv_iface); + if (!vu_init(&se->virtio_dev->dev, 2, se->vu_socketfd, fv_panic, NULL, + fv_set_watch, fv_remove_watch, &fv_iface)) { + fuse_log(FUSE_LOG_ERR, "%s: vu_init failed\n", __func__); + return -1; + } return 0; }