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avoid following NULL pointers

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This commit is contained in:
Wim Taymans 2020-05-20 13:41:48 +02:00
parent a898f21c87
commit a19bab4b16
5 changed files with 25 additions and 20 deletions
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11
spa/plugins/alsa/alsa-seq.c
View file

@ -679,7 +679,7 @@ static int update_time(struct seq_state *state, uint64_t nsec, bool follower)
{ {
snd_seq_queue_status_t *status; snd_seq_queue_status_t *status;
const snd_seq_real_time_t* queue_time; const snd_seq_real_time_t* queue_time;
uint64_t queue_real; uint64_t queue_real, position;
double err, corr; double err, corr;
uint64_t clock_elapsed, queue_elapsed; uint64_t clock_elapsed, queue_elapsed;
@ -688,6 +688,9 @@ static int update_time(struct seq_state *state, uint64_t nsec, bool follower)
state->rate = clock->rate; state->rate = clock->rate;
state->duration = clock->duration; state->duration = clock->duration;
state->threshold = state->duration; state->threshold = state->duration;
position = clock->position;
} else {
position = 0;
} }
/* take queue time */ /* take queue time */
@ -698,12 +701,12 @@ static int update_time(struct seq_state *state, uint64_t nsec, bool follower)
if (state->queue_base == 0) { if (state->queue_base == 0) {
state->queue_base = nsec - queue_real; state->queue_base = nsec - queue_real;
state->clock_base = state->position->clock.position; state->clock_base = position;
} }
corr = 1.0 - (state->z2 + state->z3); corr = 1.0 - (state->z2 + state->z3);
clock_elapsed = state->position->clock.position - state->clock_base; clock_elapsed = position - state->clock_base;
state->queue_time = nsec - state->queue_base; state->queue_time = nsec - state->queue_base;
queue_elapsed = NSEC_TO_CLOCK(state->clock, state->queue_time) / corr; queue_elapsed = NSEC_TO_CLOCK(state->clock, state->queue_time) / corr;
@ -754,7 +757,7 @@ int spa_alsa_seq_process(struct seq_state *state)
res = process_recycle(state); res = process_recycle(state);
if (state->following) { if (state->following && state->position) {
update_time(state, state->position->clock.nsec, true); update_time(state, state->position->clock.nsec, true);
res |= process_read(state); res |= process_read(state);
} }

2
src/examples/media-session/policy-ep.c
View file

@ -430,7 +430,7 @@ static int rescan_endpoint(struct impl *impl, struct endpoint *ep)
if ((obj = sm_media_session_find_object(impl->session, path_id)) != NULL) { if ((obj = sm_media_session_find_object(impl->session, path_id)) != NULL) {
if (strcmp(obj->type, PW_TYPE_INTERFACE_Endpoint) == 0) { if (strcmp(obj->type, PW_TYPE_INTERFACE_Endpoint) == 0) {
peer = sm_object_get_data(obj, SESSION_KEY); if ((peer = sm_object_get_data(obj, SESSION_KEY)) != NULL)
goto do_link; goto do_link;
} }
else if (strcmp(obj->type, PW_TYPE_INTERFACE_Node) == 0) { else if (strcmp(obj->type, PW_TYPE_INTERFACE_Node) == 0) {

3
src/examples/media-session/stream-endpoint.c
View file

@ -490,7 +490,8 @@ static void object_update(void *data)
node->obj->obj.avail & SM_OBJECT_CHANGE_MASK_PROPERTIES) node->obj->obj.avail & SM_OBJECT_CHANGE_MASK_PROPERTIES)
node->endpoint = create_endpoint(node); node->endpoint = create_endpoint(node);
if (node->obj->obj.changed & SM_NODE_CHANGE_MASK_PARAMS) if (node->endpoint &&
node->obj->obj.changed & SM_NODE_CHANGE_MASK_PARAMS)
update_params(node->endpoint); update_params(node->endpoint);
} }

3
src/gst/gstpipewiredeviceprovider.c
View file

@ -239,11 +239,10 @@ new_node (GstPipeWireDeviceProvider *self, struct node_data *data)
gst_structure_set (props, item->key, G_TYPE_STRING, item->value, NULL); gst_structure_set (props, item->key, G_TYPE_STRING, item->value, NULL);
klass = spa_dict_lookup (info->props, PW_KEY_MEDIA_CLASS); klass = spa_dict_lookup (info->props, PW_KEY_MEDIA_CLASS);
name = spa_dict_lookup (info->props, PW_KEY_NODE_DESCRIPTION);
} }
if (klass == NULL) if (klass == NULL)
klass = "unknown/unknown"; klass = "unknown/unknown";
name = spa_dict_lookup (info->props, PW_KEY_NODE_DESCRIPTION);
if (name == NULL) if (name == NULL)
name = "unknown"; name = "unknown";

2
src/modules/module-protocol-native/v0/protocol-native.c
View file

@ -806,6 +806,7 @@ static void registry_marshal_global(void *object, uint32_t id, uint32_t permissi
n_items = props ? props->n_items : 0; n_items = props ? props->n_items : 0;
parent_id = 0; parent_id = 0;
if (props) {
if (strcmp(type, PW_TYPE_INTERFACE_Port) == 0) { if (strcmp(type, PW_TYPE_INTERFACE_Port) == 0) {
if ((str = spa_dict_lookup(props, "node.id")) != NULL) if ((str = spa_dict_lookup(props, "node.id")) != NULL)
parent_id = atoi(str); parent_id = atoi(str);
@ -818,6 +819,7 @@ static void registry_marshal_global(void *object, uint32_t id, uint32_t permissi
if ((str = spa_dict_lookup(props, "module.id")) != NULL) if ((str = spa_dict_lookup(props, "module.id")) != NULL)
parent_id = atoi(str); parent_id = atoi(str);
} }
}
version = 0; version = 0;