[LTP] [PATCH] acct: fix version check on big endian system

[Ping Fang]

ac_version = ACCT_VERION | ACCT_BYTEORDER
which is 0x83 (131) on big endian system.

failure output:
tst_kconfig.c:62: INFO: Parsing kernel config
'/boot/config-4.18.0-147.el8.s390x'
tst_test.c:1118: INFO: Timeout per run is 0h 05m 00s
tst_kconfig.c:62: INFO: Parsing kernel config
'/boot/config-4.18.0-147.el8.s390x'
acct02.c:239: INFO: Verifying using 'struct acct_v3'
acct02.c:192: INFO: == entry 1 ==
acct02.c:147: INFO: ac_version != 3 (131)
acct02.c:192: INFO: == entry 2 ==
acct02.c:82: INFO: ac_comm != 'acct02_helper' ('acct02')
acct02.c:133: INFO: ac_exitcode != 32768 (0)
acct02.c:141: INFO: ac_ppid != 34501 (34500)
acct02.c:147: INFO: ac_version != 3 (131)
acct02.c:182: FAIL: end of file reached

Signed-off-by: Ping Fang <pifang@redhat.com>
---
 testcases/kernel/syscalls/acct/acct02.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/testcases/kernel/syscalls/acct/acct02.c b/testcases/kernel/syscalls/acct/acct02.c
index 7c2a27046..c513b2145 100644
--- a/testcases/kernel/syscalls/acct/acct02.c
+++ b/testcases/kernel/syscalls/acct/acct02.c
@@ -142,7 +142,8 @@ static int verify_acct(void *acc, int elap_time)
 		ret = 1;
 	}
 
-	if (ACCT_MEMBER_V3(ac_version) != 3) {
+	/* In big endian system accout version have a ACCT_BYTEORDER 0x80 flag*/
+	if (ACCT_MEMBER_V3(ac_version) != 3 || ACC_MEMBER_V3(ac_version) != 131) {
 		tst_res(TINFO, "ac_version != 3 (%d)",
 			ACCT_MEMBER_V3(ac_version));
 		ret = 1;
-- 
2.21.0