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filter: check port id and direction

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Don't crash in case someone tries to access invalid direction or
port.
This commit is contained in:
Wim Taymans 2021-06-22 09:15:53 +02:00
parent 28a9253622
commit a152ad95d5
1 changed files with 3 additions and 0 deletions
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3
src/pipewire/filter.c
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@ -310,6 +310,9 @@ static struct port *alloc_port(struct filter *filter,
static inline struct port *get_port(struct filter *filter, enum spa_direction direction, uint32_t port_id)
{
if ((direction != SPA_DIRECTION_INPUT && direction != SPA_DIRECTION_OUTPUT) ||
port_id >= MAX_PORTS)
return NULL;
return filter->ports[direction][port_id];
}