Commit f78280b1 authored by Jason A. Donenfeld's avatar Jason A. Donenfeld
Browse files

selftests: vDSO: skip getrandom test if architecture is unsupported 



If the getrandom test compiles for an arch, don't exit fatally if the
actual cpu it's running on is unsupported.

Suggested-by: default avatarAdhemerval Zanella Netto <adhemerval.zanella@linaro.org>
Signed-off-by: default avatarJason A. Donenfeld <Jason@zx2c4.com>
parent b90eeff1

tools/testing/selftests/vDSO/vdso_test_getrandom.c

+6 −1
Original line number Diff line number Diff line
@@ -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);

	}