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sink, source: Do not dereference freed memory when freeing the next events

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Coverity IDs: 1138197, 1138196
This commit is contained in:
Felipe Sateler 2015-09-11 20:15:21 -03:00 • committed by Tanu Kaskinen
parent b42575e183
commit 2a1d876b1c
2 changed files with 4 additions and 2 deletions
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3
src/pulsecore/source.c
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@ -2654,6 +2654,7 @@ static void pa_source_volume_change_free(pa_source_volume_change *c) {
void pa_source_volume_change_push(pa_source *s) {
pa_source_volume_change *c = NULL;
pa_source_volume_change *nc = NULL;
pa_source_volume_change *pc = NULL;
uint32_t safety_margin = s->thread_info.volume_change_safety_margin;
const char *direction = NULL;
@ -2711,7 +2712,7 @@ void pa_source_volume_change_push(pa_source *s) {
pa_log_debug("Volume going %s to %d at %llu", direction, pa_cvolume_avg(&nc->hw_volume), (long long unsigned) nc->at);
/* We can ignore volume events that came earlier but should happen later than this. */
PA_LLIST_FOREACH(c, nc->next) {
PA_LLIST_FOREACH_SAFE(c, pc, nc->next) {
pa_log_debug("Volume change to %d at %llu was dropped", pa_cvolume_avg(&c->hw_volume), (long long unsigned) c->at);
pa_source_volume_change_free(c);
}