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;