[kvm-unit-tests GIT PULL 10/11] lib: s390x: uv: Add rc 0x100 query error handling

[Janosch Frank <frankja@linux.ibm.com>]

Let's not get bitten by an extension of the query struct and handle
the rc 0x100 error properly which does indicate that the UV has more
data for us.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
---
 lib/s390x/uv.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/s390x/uv.c b/lib/s390x/uv.c
index fd9de944..c5c69c47 100644
--- a/lib/s390x/uv.c
+++ b/lib/s390x/uv.c
@@ -49,6 +49,8 @@ int uv_setup(void)
 	if (!test_facility(158))
 		return 0;
 
-	assert(!uv_call(0, (u64)&uvcb_qui));
+	uv_call(0, (u64)&uvcb_qui);
+
+	assert(uvcb_qui.header.rc == 1 || uvcb_qui.header.rc == 0x100);
 	return 1;
 }
-- 
2.31.1