hfpmodem: Avoid segfault in call-volume

The use of g_idle_add can cause a segmentation fault if the object is
destroyed in the meantime.
This commit is contained in:
Mikel Astiz 2011-10-21 18:51:33 +02:00 committed by Denis Kenzior
parent c1ed32db9d
commit 6e5edc8ead
1 changed files with 7 additions and 1 deletions

View File

@ -50,6 +50,7 @@ struct cv_data {
GAtChat *chat;
unsigned char sp_volume;
unsigned char mic_volume;
guint register_source;
};
static void cv_generic_set_cb(gboolean ok, GAtResult *result,
@ -173,6 +174,8 @@ static gboolean hfp_call_volume_register(gpointer user_data)
DBG("");
vd->register_source = 0;
g_at_chat_register(vd->chat, "+VGS:", vgs_notify, FALSE, cv, NULL);
g_at_chat_register(vd->chat, "+VGM:", vgm_notify, FALSE, cv, NULL);
@ -197,7 +200,7 @@ static int hfp_call_volume_probe(struct ofono_call_volume *cv,
ofono_call_volume_set_data(cv, vd);
g_idle_add(hfp_call_volume_register, cv);
vd->register_source = g_idle_add(hfp_call_volume_register, cv);
return 0;
}
@ -206,6 +209,9 @@ static void hfp_call_volume_remove(struct ofono_call_volume *cv)
{
struct cv_data *vd = ofono_call_volume_get_data(cv);
if (vd->register_source != 0)
g_source_remove(vd->register_source);
ofono_call_volume_set_data(cv, NULL);
g_at_chat_unref(vd->chat);