From: Andrey Konovalov <andreyknvl@google.com>
To: linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org,
dri-devel@lists.freedesktop.org, linux-rdma@vger.kernel.org,
linux-media@vger.kernel.org, kvm@vger.kernel.org,
linux-kselftest@vger.kernel.org,
Will Deacon <will.deacon@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Andrew Morton <akpm@linux-foundation.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Kees Cook <keescook@chromium.org>,
Yishai Hadas <yishaih@mellanox.com>,
Felix Kuehling <Felix.Kuehling@amd.com>,
Alexander Deucher <Alexander.Deucher@amd.com>,
Christian Koenig <Christian.Koenig@amd.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Jens Wiklander <jens.wiklander@linaro.org>,
Alex Williamson <alex.williamson@redhat.com>,
Leon Romanovsky <leon@kernel.org>,
Luc Van Oostenryck <luc.vanoostenryck@gmail.com>,
Dave Martin <Dave.Martin@arm.com>,
Khalid Aziz <khalid.aziz@oracle.com>, enh <enh@google.com>,
Jason Gunthorpe <jgg@ziepe.ca>,
Christoph Hellwig <hch@infradead.org>,
Dmitry Vyukov <dvyukov@google.com>,
Kostya Serebryany <kcc@google.com>,
Evgeniy Stepanov <eugenis@google.com>,
Lee Smith <Lee.Smith@arm.com>,
Ramana Radhakrishnan <Ramana.Radhakrishnan@arm.com>,
Jacob Bramley <Jacob.Bramley@arm.com>,
Ruben Ayrapetyan <Ruben.Ayrapetyan@arm.com>,
Robin Murphy <robin.murphy@arm.com>,
Kevin Brodsky <kevin.brodsky@arm.com>,
Szabolcs Nagy <Szabolcs.Nagy@arm.com>,
Dan Carpenter <dan.carpenter@oracle.com>,
Andrey Konovalov <andreyknvl@google.com>
Subject: [PATCH ARM] selftests, arm64: fix uninitialized symbol in tags_test.c
Date: Mon, 19 Aug 2019 15:14:42 +0200 [thread overview]
Message-ID: <00eb8ba84205c59cac01b1b47615116a461c302c.1566220355.git.andreyknvl@google.com> (raw)
Fix tagged_ptr not being initialized when TBI is not enabled.
Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
---
tools/testing/selftests/arm64/tags_test.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/tools/testing/selftests/arm64/tags_test.c b/tools/testing/selftests/arm64/tags_test.c
index 22a1b266e373..5701163460ef 100644
--- a/tools/testing/selftests/arm64/tags_test.c
+++ b/tools/testing/selftests/arm64/tags_test.c
@@ -14,15 +14,17 @@
int main(void)
{
static int tbi_enabled = 0;
- struct utsname *ptr, *tagged_ptr;
+ unsigned long tag = 0;
+ struct utsname *ptr;
int err;
if (prctl(PR_SET_TAGGED_ADDR_CTRL, PR_TAGGED_ADDR_ENABLE, 0, 0, 0) == 0)
tbi_enabled = 1;
ptr = (struct utsname *)malloc(sizeof(*ptr));
if (tbi_enabled)
- tagged_ptr = (struct utsname *)SET_TAG(ptr, 0x42);
- err = uname(tagged_ptr);
+ tag = 0x42;
+ ptr = (struct utsname *)SET_TAG(ptr, tag);
+ err = uname(ptr);
free(ptr);
return err;
--
2.23.0.rc1.153.gdeed80330f-goog
next reply other threads:[~2019-08-19 13:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-19 13:14 Andrey Konovalov [this message]
2019-08-19 13:16 ` Andrey Konovalov
2019-08-19 15:03 ` Will Deacon
2019-08-19 15:16 ` Andrey Konovalov
2019-08-19 15:38 ` Will Deacon
2019-08-19 15:44 ` Andrey Konovalov
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