[kvm-unit-tests,v3,04/11] s390x: pfmf: Initialize pfmf_r1 union on declaration

Commit Message

Janosch Frank April 21, 2022, 10:11 a.m. UTC

Let's make this test look a bit nicer.

Signed-off-by: Janosch Frank <[e-mail]>
Reviewed-by: Claudio Imbrenda <[e-mail]>
Reviewed-by: Thomas Huth <[e-mail]>
---
 s390x/pfmf.c | 39 +++++++++++++++++++--------------------
 1 file changed, 19 insertions(+), 20 deletions(-)

Patch

diff --git a/s390x/pfmf.c b/s390x/pfmf.c
index aa130529..178abb5a 100644
--- a/s390x/pfmf.c
+++ b/s390x/pfmf.c
@@ -28,7 +28,11 @@  static void test_priv(void)
 
 static void test_4k_key(void)
 {
-	union pfmf_r1 r1;
+	union pfmf_r1 r1 = {
+		.reg.sk = 1,
+		.reg.fsc = PFMF_FSC_4K,
+		.reg.key = 0x30,
+	};
 	union skey skey;
 
 	report_prefix_push("4K");
@@ -36,10 +40,6 @@  static void test_4k_key(void)
 		report_skip("storage key removal facility is active");
 		goto out;
 	}
-	r1.val = 0;
-	r1.reg.sk = 1;
-	r1.reg.fsc = PFMF_FSC_4K;
-	r1.reg.key = 0x30;
 	pfmf(r1.val, pagebuf);
 	skey.val = get_storage_key(pagebuf);
 	skey.val &= SKEY_ACC | SKEY_FP;
@@ -52,18 +52,19 @@  static void test_1m_key(void)
 {
 	int i;
 	bool rp = true;
-	union pfmf_r1 r1;
 	union skey skey;
+	union pfmf_r1 r1 = {
+		.reg.fsc = PFMF_FSC_1M,
+		.reg.key = 0x30,
+		.reg.sk = 1,
+	};
 
 	report_prefix_push("1M");
 	if (test_facility(169)) {
 		report_skip("storage key removal facility is active");
 		goto out;
 	}
-	r1.val = 0;
-	r1.reg.sk = 1;
-	r1.reg.fsc = PFMF_FSC_1M;
-	r1.reg.key = 0x30;
+
 	pfmf(r1.val, pagebuf);
 	for (i = 0; i < 256; i++) {
 		skey.val = get_storage_key(pagebuf + i * PAGE_SIZE);
@@ -80,11 +81,10 @@  out:
 
 static void test_4k_clear(void)
 {
-	union pfmf_r1 r1;
-
-	r1.val = 0;
-	r1.reg.cf = 1;
-	r1.reg.fsc = PFMF_FSC_4K;
+	union pfmf_r1 r1 = {
+		.reg.cf = 1,
+		.reg.fsc = PFMF_FSC_4K,
+	};
 
 	report_prefix_push("4K");
 	memset(pagebuf, 42, PAGE_SIZE);
@@ -97,13 +97,12 @@  static void test_4k_clear(void)
 static void test_1m_clear(void)
 {
 	int i;
-	union pfmf_r1 r1;
+	union pfmf_r1 r1 = {
+		.reg.cf = 1,
+		.reg.fsc = PFMF_FSC_1M,
+	};
 	unsigned long sum = 0;
 
-	r1.val = 0;
-	r1.reg.cf = 1;
-	r1.reg.fsc = PFMF_FSC_1M;
-
 	report_prefix_push("1M");
 	memset(pagebuf, 42, PAGE_SIZE * 256);
 	pfmf(r1.val, pagebuf);