[PATCH 3/7] alsa, bluetooth: fail if user-requested profile doesn't exist

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On 2015-10-23 12:56, Tanu Kaskinen wrote:
> If we can't fulfill the user request fully, I think we shouldn't
> fulfill it at all, to make it clear that the requested operation
> didn't succeed.
> ---
>   src/modules/alsa/module-alsa-card.c          | 10 ++++++++--
>   src/modules/bluetooth/module-bluez4-device.c |  6 ++++--
>   2 files changed, 12 insertions(+), 4 deletions(-)
>
> diff --git a/src/modules/alsa/module-alsa-card.c b/src/modules/alsa/module-alsa-card.c
> index e173e51..0943a17 100644
> --- a/src/modules/alsa/module-alsa-card.c
> +++ b/src/modules/alsa/module-alsa-card.c
> @@ -768,8 +768,14 @@ int pa__init(pa_module *m) {
>           goto fail;
>       }
>
> -    if ((profile = pa_modargs_get_value(u->modargs, "profile", NULL)))
> -        pa_card_new_data_set_profile(&data, profile);
> +    if ((profile = pa_modargs_get_value(u->modargs, "profile", NULL))) {
> +        if (pa_hashmap_get(data.profiles, profile))
> +            pa_card_new_data_set_profile(&data, profile);
> +        else {
> +            pa_log("No such profile: %s", profile);
> +            goto fail;
> +        }
> +    }
>
>       u->card = pa_card_new(m->core, &data);
>       pa_card_new_data_done(&data);
> diff --git a/src/modules/bluetooth/module-bluez4-device.c b/src/modules/bluetooth/module-bluez4-device.c
> index af36e6a..41b436f 100644
> --- a/src/modules/bluetooth/module-bluez4-device.c
> +++ b/src/modules/bluetooth/module-bluez4-device.c
> @@ -2307,8 +2307,10 @@ static int add_card(struct userdata *u) {
>       if ((default_profile = pa_modargs_get_value(u->modargs, "profile", NULL))) {
>           if (pa_hashmap_get(data.profiles, default_profile))
>               pa_card_new_data_set_profile(&data, default_profile);
> -        else
> -            pa_log_warn("Profile '%s' not valid or not supported by device.", default_profile);
> +        else {
> +            pa_log("Profile '%s' not valid or not supported by device.", default_profile);
> +            return -1;

This will leak at least a pa_card_profile and a pa_card_new_data object.

Otherwise okay with the behavior change in general - that said, I 
haven't checked if we tend to add this somewhere so that this module 
argument is more widely used than we think. Have you?

> +        }
>       }
>
>       u->card = pa_card_new(u->core, &data);
>

-- 
David Henningsson, Canonical Ltd.
https://launchpad.net/~diwic


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