[RFC PATCH 2/6] testing/pkeys: Don't use uninitialized variable
From: <hidden>
Date: 2022-06-10 23:36:32
Also in:
linux-api, linux-kselftest, linux-mm, lkml
Subsystem:
kernel selftest framework, the rest · Maintainers:
Shuah Khan, Shuah Khan, Linus Torvalds
From: Ira Weiny <redacted> 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@linux.intel.com> Cc: Aneesh Kumar K.V <redacted> Signed-off-by: Ira Weiny <redacted> --- 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);
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2.35.1