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Cc: Ian Jackson Cc: Wei Liu Signed-off-by: Marek Marczykowski-Górecki Acked-by: Wei Liu Signed-off-by: Wei Liu --- tools/libxl/libxl_nic.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/tools/libxl/libxl_nic.c b/tools/libxl/libxl_nic.c index c34b7ba..d1caa90 100644 --- a/tools/libxl/libxl_nic.c +++ b/tools/libxl/libxl_nic.c @@ -309,6 +309,18 @@ static int libxl__device_nic_from_xenstore(libxl__gc *gc, else nic->devid = 0; + rc = libxl__xs_read_checked(gc, XBT_NULL, + GCSPRINTF("%s/backend", libxl_path), &tmp); + if (rc) goto out; + + if (!tmp) { + LOG(ERROR, "nic %s does not exist (no backend path)", libxl_path); + rc = ERROR_FAIL; + goto out; + } + rc = libxl__backendpath_parse_domid(gc, tmp, &nic->backend_domid); + if (rc) goto out; + /* nic->mtu = */ rc = libxl__xs_read_checked(gc, XBT_NULL,