linux-kernel - [PATCH] papr_vpd.c: calling devfd before get_system_loc

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Date: Wed, 31 Jan 2024 18:38:59 +0530
From: R Nageswara Sastry <rnsastry@...ux.ibm.com>
To: linux-kselftest@...r.kernel.org, shuah@...nel.org,
        skhan@...uxfoundation.org, mpe@...erman.id.au, npiggin@...il.com,
        christophe.leroy@...roup.eu, nathanl@...ux.ibm.com,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Cc: rnsastry@...ux.ibm.com
Subject: [PATCH] papr_vpd.c: calling devfd before get_system_loc_code

Calling get_system_loc_code before checking devfd and errno - fails the test
when the device is not available, expected a SKIP.
Change the order of 'SKIP_IF_MSG' correctly SKIP when the /dev/papr-vpd device
is not available.

with out patch: Test FAILED on line 271
with patch: [SKIP] Test skipped on line 266: /dev/papr-vpd not present

Signed-off-by: R Nageswara Sastry <rnsastry@...ux.ibm.com>
---
 tools/testing/selftests/powerpc/papr_vpd/papr_vpd.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/powerpc/papr_vpd/papr_vpd.c b/tools/testing/selftests/powerpc/papr_vpd/papr_vpd.c
index 98cbb9109ee6..505294da1b9f 100644
--- a/tools/testing/selftests/powerpc/papr_vpd/papr_vpd.c
+++ b/tools/testing/selftests/powerpc/papr_vpd/papr_vpd.c
@@ -263,10 +263,10 @@ static int papr_vpd_system_loc_code(void)
 	off_t size;
 	int fd;
 
-	SKIP_IF_MSG(get_system_loc_code(&lc),
-		    "Cannot determine system location code");
 	SKIP_IF_MSG(devfd < 0 && errno == ENOENT,
 		    DEVPATH " not present");
+	SKIP_IF_MSG(get_system_loc_code(&lc),
+		    "Cannot determine system location code");
 
 	FAIL_IF(devfd < 0);
 
-- 
2.37.1 (Apple Git-137.1)