[PATCH] Fix memory leaks

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On Wed, 14 Mar 2018, at 11:58 AM, Jungsup Lee wrote:
> The returned string of the dbus_message_iter_get_signature() must be 
> freed with dbus_free().
> ---
>  src/modules/module-stream-restore.c | 8 +++++++-
>  src/pulsecore/dbus-util.c           | 8 +++++++-
>  2 files changed, 14 insertions(+), 2 deletions(-)
> 
> diff --git a/src/modules/module-stream-restore.c b/src/modules/module-
> stream-restore.c
> index 7ee53340..162d5fef 100644
> --- a/src/modules/module-stream-restore.c
> +++ b/src/modules/module-stream-restore.c
> @@ -346,14 +346,20 @@ static void dbus_entry_free(struct dbus_entry *de) 
> {
>  static int get_volume_arg(DBusConnection *conn, DBusMessage *msg, 
> DBusMessageIter *iter, pa_channel_map *map, pa_cvolume *vol) {
>      DBusMessageIter array_iter;
>      DBusMessageIter struct_iter;
> +    char *signature;
>  
>      pa_assert(conn);
>      pa_assert(msg);
>      pa_assert(iter);
> -    pa_assert(pa_streq(dbus_message_iter_get_signature(iter), "a(uu)"));
>      pa_assert(map);
>      pa_assert(vol);
>  
> +    signature = dbus_message_iter_get_signature(iter);
> +    pa_assert(pa_streq(signature, "a(uu)"));
> +
> +    if (signature)
> +        dbus_free(signature);
> +
>      pa_channel_map_init(map);
>      pa_cvolume_init(vol);
>  
> diff --git a/src/pulsecore/dbus-util.c b/src/pulsecore/dbus-util.c
> index 80e2866e..8053dacf 100644
> --- a/src/pulsecore/dbus-util.c
> +++ b/src/pulsecore/dbus-util.c
> @@ -735,6 +735,7 @@ void 
> pa_dbus_append_proplist_variant_dict_entry(DBusMessageIter *dict_iter, 
> cons
>  pa_proplist *pa_dbus_get_proplist_arg(DBusConnection *c, DBusMessage 
> *msg, DBusMessageIter *iter) {
>      DBusMessageIter dict_iter;
>      DBusMessageIter dict_entry_iter;
> +    char *signature;
>      pa_proplist *proplist = NULL;
>      const char *key = NULL;
>      const uint8_t *value = NULL;
> @@ -743,7 +744,12 @@ pa_proplist 
> *pa_dbus_get_proplist_arg(DBusConnection *c, DBusMessage *msg, DBusM
>      pa_assert(c);
>      pa_assert(msg);
>      pa_assert(iter);
> -    pa_assert(pa_streq(dbus_message_iter_get_signature(iter), 
> "a{say}"));
> +
> +    signature = dbus_message_iter_get_signature(iter);
> +    pa_assert(pa_streq(signature, "a{say}"));
> +
> +    if (signature)
> +        dbus_free(signature);
>  
>      proplist = pa_proplist_new();
>  
> -- 

Looks good. Would you also like to fix up src/pulsecore/protocol-dbus.c (seems like there may be more leaks there)?

Thanks,
Arun


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