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