A kvm-unit-test would hang if an abort happens before SCLP Read SCP
Information has completed if sclp_get_cpu_num() does not report at
least one CPU.
Since we obviously have one, report it.
Signed-off-by: Pierre Morel <pmorel@xxxxxxxxxxxxx>
---
lib/s390x/sclp.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/lib/s390x/sclp.c b/lib/s390x/sclp.c
index 12919ca..34a31da 100644
--- a/lib/s390x/sclp.c
+++ b/lib/s390x/sclp.c
@@ -121,6 +121,12 @@ int sclp_get_cpu_num(void)
{
if (read_info)
return read_info->entries_cpu;
+ /*
+ * If we fail here and read_info has not being set,
+ * it means we failed early and we try to abort the test.
+ * We need to return at least one CPU, and obviously we have
+ * at least one, for the smp_teardown to correctly work.
+ */
return 1;
}
--
2.31.1
