From 2655a0821609fc9aad6b725b3e604fb948d8d16d Mon Sep 17 00:00:00 2001 From: Wei Liu Date: Mon, 18 Sep 2017 14:56:13 +0100 Subject: [PATCH] libxl: use libxl__read_xenstore_mandatory in vdispl function Coverity-ID: 1418097 Signed-off-by: Wei Liu Acked-by: Ian Jackson --- tools/libxl/libxl_vdispl.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/tools/libxl/libxl_vdispl.c b/tools/libxl/libxl_vdispl.c index 5740c89fad..befc56bdeb 100644 --- a/tools/libxl/libxl_vdispl.c +++ b/tools/libxl/libxl_vdispl.c @@ -40,10 +40,14 @@ static int libxl__vdispl_from_xenstore(libxl__gc *gc, const char *libxl_path, libxl_devid devid, libxl_device_vdispl *vdispl) { - char *be_path; + const char *be_path; + int rc; vdispl->devid = devid; - be_path = libxl__xs_read(gc, XBT_NULL, GCSPRINTF("%s/backend", libxl_path)); + rc = libxl__xs_read_mandatory(gc, XBT_NULL, + GCSPRINTF("%s/backend", libxl_path), + &be_path); + if (rc) return rc; return libxl__backendpath_parse_domid(gc, be_path, &vdispl->backend_domid); } -- 2.39.5