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| author | Andrey Konovalov <andreyknvl@google.com> | 2019-08-19 15:14:42 +0200 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2019-08-19 16:25:32 +0100 |
| commit | 74585fcb7b3ccb35135e2418dd66251022a916e5 (patch) | |
| tree | c0b20c28b7c2b714f4aae3b63e7aac6b48ccc04b | |
| parent | 9c1cac424c93d2b3122014e07a54b003ddedc168 (diff) | |
| download | linux-stable-74585fcb7b3ccb35135e2418dd66251022a916e5.tar.gz linux-stable-74585fcb7b3ccb35135e2418dd66251022a916e5.tar.bz2 linux-stable-74585fcb7b3ccb35135e2418dd66251022a916e5.zip | |
selftests, arm64: fix uninitialized symbol in tags_test.c
Fix tagged_ptr not being initialized when TBI is not enabled.
Link: https://www.spinics.net/lists/linux-kselftest/msg09446.html
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Signed-off-by: Will Deacon <will@kernel.org>
| -rw-r--r-- | tools/testing/selftests/arm64/tags_test.c | 8 |
1 files 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; |