libxl: remove obsolete check for result of xc_get_max_cpus

xc_get_max_cpus from Xen version 4.3 may return 0 in case xc_physinfo
fails. This has been fixed in Xen 4.4. Remove the obsolete result check
from libvirt. Just convert libxl error codes to plain -1.

Signed-off-by: Olaf Hering <olaf@aepfle.de>
Reviewed-by: Jim Fehlig <jfehlig@suse.com>
This commit is contained in:
Olaf Hering 2021-05-03 12:56:11 +02:00 committed by Jim Fehlig
parent 70492e33e3
commit 6de6767b56

View File

@ -972,11 +972,7 @@ libxlConnectGetMaxVcpus(virConnectPtr conn, const char *type G_GNUC_UNUSED)
cfg = libxlDriverConfigGet(driver);
ret = libxl_get_max_cpus(cfg->ctx);
/* On failure, libxl_get_max_cpus() will return ERROR_FAIL from Xen 4.4
* onward, but it ever returning 0 is obviously wrong too (and it is
* what happens, on failure, on Xen 4.3 and earlier). Therefore, a 'less
* or equal' is the catchall we want. */
if (ret <= 0)
if (ret < 0)
ret = -1;
virObjectUnref(cfg);