__u8 tmp[TEST_DATA_LEN << 2];
__u32 size_tmp = sizeof(tmp);
uint32_t retval;
- int err;
+ int err, saved_errno;
if (unpriv)
set_admin(true);
err = bpf_prog_test_run(fd_prog, 1, data, size_data,
tmp, &size_tmp, &retval, NULL);
+ saved_errno = errno;
+
if (unpriv)
set_admin(false);
- if (err && errno != 524/*ENOTSUPP*/ && errno != EPERM) {
- printf("Unexpected bpf_prog_test_run error ");
- return err;
+
+ if (err) {
+ switch (saved_errno) {
+ case 524/*ENOTSUPP*/:
+ printf("Did not run the program (not supported) ");
+ return 0;
+ case EPERM:
+ if (unpriv) {
+ printf("Did not run the program (no permission) ");
+ return 0;
+ }
+ /* fallthrough; */
+ default:
+ printf("FAIL: Unexpected bpf_prog_test_run error (%s) ",
+ strerror(saved_errno));
+ return err;
+ }
}
- if (!err && retval != expected_val &&
+
+ if (retval != expected_val &&
expected_val != POINTER_VALUE) {
printf("FAIL retval %d != %d ", retval, expected_val);
return 1;
int run_errs, run_successes;
int map_fds[MAX_NR_MAPS];
const char *expected_err;
+ int saved_errno;
int fixup_skips;
__u32 pflags;
int i, err;
}
fd_prog = bpf_load_program_xattr(&attr, bpf_vlog, sizeof(bpf_vlog));
+ saved_errno = errno;
/* BPF_PROG_TYPE_TRACING requires more setup and
* bpf_probe_prog_type won't give correct answer
if (expected_ret == ACCEPT || expected_ret == VERBOSE_ACCEPT) {
if (fd_prog < 0) {
printf("FAIL\nFailed to load prog '%s'!\n",
- strerror(errno));
+ strerror(saved_errno));
goto fail_log;
}
#ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS