Use sscanf instead of the built-in safe_atolu because the scanned string
lacks the leading "0x", it is generated with snprintf(b, "%08x", val).
As a result strtoull handles it as octal, and parsing fails.
The initial submission already used sscanf, then parsing was replaced by
safe_atolu without retesting the updated PR.
Fixes
575e6588d ("virt: use XENFEAT_dom0 to detect the hardware domain
(#6442, #6662) (#7581)")
if (r == 0) {
unsigned long features;
- r = safe_atolu(domcap, &features);
- if (r == 0) {
+ r = sscanf(domcap, "%lx", &features);
+ if (r == 1) {
r = !!(features & (1U << XENFEAT_dom0));
log_debug("Virtualization XEN, found %s with value %08lx, "
"XENFEAT_dom0 (indicating the 'hardware domain') is%s set.",