[RFC PATCH 2/6] testing/pkeys: Don't use uninitialized variable

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From: Ira Weiny <ira.weiny@xxxxxxxxx>

err was being used in test_pkey_alloc_exhaust() prior to being assigned.
errno is useful to know after a failed alloc_pkey() call.

Change err to errno in the debug print.

Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx>
Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>
---
 tools/testing/selftests/vm/protection_keys.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/vm/protection_keys.c b/tools/testing/selftests/vm/protection_keys.c
index d0183c381859..43e47de19c0d 100644
--- a/tools/testing/selftests/vm/protection_keys.c
+++ b/tools/testing/selftests/vm/protection_keys.c
@@ -1225,9 +1225,9 @@ void test_pkey_alloc_exhaust(int *ptr, u16 pkey)
 		int new_pkey;
 		dprintf1("%s() alloc loop: %d\n", __func__, i);
 		new_pkey = alloc_pkey();
-		dprintf4("%s()::%d, err: %d pkey_reg: 0x%016llx"
+		dprintf4("%s()::%d, errno: %d pkey_reg: 0x%016llx"
 				" shadow: 0x%016llx\n",
-				__func__, __LINE__, err, __read_pkey_reg(),
+				__func__, __LINE__, errno, __read_pkey_reg(),
 				shadow_pkey_reg);
 		read_pkey_reg(); /* for shadow checking */
 		dprintf2("%s() errno: %d ENOSPC: %d\n", __func__, errno, ENOSPC);
-- 
2.35.1




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