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| author | Mark Brown <broonie@kernel.org> | 2021-12-17 16:02:13 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-12-25 11:13:28 +0300 |
| commit | 10f2f194663af178f32aeb4086fc3f6687d25056 (patch) | |
| tree | 2e433517e5bc68344a3f29c81a0850481fa5acf8 /tools/testing/selftests/alsa | |
| parent | 3f48b137d88e710b67b2bcc01aa3d77b4db610c4 (diff) | |
| download | linux-10f2f194663af178f32aeb4086fc3f6687d25056.tar.xz | |
kselftest: alsa: Validate values read from enumerations
Enumerations should return a value between 0 and items-1, check that this
is the case.
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20211217130213.3893415-3-broonie@kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'tools/testing/selftests/alsa')
| -rw-r--r-- | tools/testing/selftests/alsa/mixer-test.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/testing/selftests/alsa/mixer-test.c b/tools/testing/selftests/alsa/mixer-test.c index b009fc5df605..17f158d7a767 100644 --- a/tools/testing/selftests/alsa/mixer-test.c +++ b/tools/testing/selftests/alsa/mixer-test.c @@ -276,6 +276,23 @@ bool ctl_value_index_valid(struct ctl_data *ctl, snd_ctl_elem_value_t *val, } break; + case SND_CTL_ELEM_TYPE_ENUMERATED: + int_val = snd_ctl_elem_value_get_enumerated(val, index); + + if (int_val < 0) { + ksft_print_msg("%s.%d negative value %ld for enumeration\n", + ctl->name, index, int_val); + return false; + } + + if (int_val >= snd_ctl_elem_info_get_items(ctl->info)) { + ksft_print_msg("%s.%d value %ld more than item count %ld\n", + ctl->name, index, int_val, + snd_ctl_elem_info_get_items(ctl->info)); + return false; + } + break; + default: /* No tests for other types */ break; |