If the getrandom test compiles for an arch, don't exit fatally if the
actual cpu it's running on is unsupported.
Suggested-by: Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
---
tools/testing/selftests/vDSO/vdso_test_getrandom.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/vDSO/vdso_test_getrandom.c b/tools/testing/selftests/vDSO/vdso_test_getrandom.c
index 20bbef992c48..5db8ac8999cd 100644
--- a/tools/testing/selftests/vDSO/vdso_test_getrandom.c
+++ b/tools/testing/selftests/vDSO/vdso_test_getrandom.c
@@ -104,6 +104,7 @@ static void vgetrandom_init(void)
const char *version = versions[VDSO_VERSION];
const char *name = names[VDSO_NAMES][6];
unsigned long sysinfo_ehdr = getauxval(AT_SYSINFO_EHDR);
+ size_t ret;
if (!sysinfo_ehdr) {
printf("AT_SYSINFO_EHDR is not present!\n");
@@ -115,7 +116,11 @@ static void vgetrandom_init(void)
printf("%s is missing!\n", name);
exit(KSFT_FAIL);
}
- if (vgrnd.fn(NULL, 0, 0, &vgrnd.params, ~0UL) != 0) {
+ ret = vgrnd.fn(NULL, 0, 0, &vgrnd.params, ~0UL);
+ if (ret == -ENOSYS) {
+ printf("unsupported architecture\n");
+ exit(KSFT_SKIP);
+ } else if (ret) {
printf("failed to fetch vgetrandom params!\n");
exit(KSFT_FAIL);
}
--
2.46.0