On 13/08/2021 09.36, Janosch Frank wrote:
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@xxxxxxxxxxxxx>
---
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);
Don't you want to continue to check the return code of the uv_call() function?
Thomas