kselftest/arm64: Fix check for setting new VLs in sve-ptrace

The check that the new vector length we set was the expected one was typoed
to an assignment statement which for some reason the compilers didn't spot,
most likely due to the macros involved.

Fixes: a1d7111257cd ("selftests: arm64: More comprehensively test the SVE ptrace interface")
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Dev Jain <dev.jain@arm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20250609-kselftest-arm64-ssve-fixups-v2-1-998fcfa6f240@kernel.org
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

diff --git a/tools/testing/selftests/arm64/fp/sve-ptrace.c b/tools/testing/selftests/arm64/fp/sve-ptrace.c
index 577b6e05e860c9942004b19dbfb13f53cdcf3339..c499d5789dd53fb880dc9e3618308680a51a778e 100644 (file)
--- a/tools/testing/selftests/arm64/fp/sve-ptrace.c
+++ b/tools/testing/selftests/arm64/fp/sve-ptrace.c
@@ -253,7 +253,7 @@ static void ptrace_set_get_vl(pid_t child, const struct vec_type *type,
                return;
        }
 
-       ksft_test_result(new_sve->vl = prctl_vl, "Set %s VL %u\n",
+       ksft_test_result(new_sve->vl == prctl_vl, "Set %s VL %u\n",
                         type->name, vl);
 
        free(new_sve);