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pipewire: fix scan-build errors for unused variables

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All cases of value stored but never read
This commit is contained in:
Peter Hutterer 2021-05-10 11:49:59 +10:00 • committed by Wim Taymans
parent 049eaac821
commit 0b5f19f1d2
4 changed files with 9 additions and 12 deletions
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8
src/pipewire/conf.c
View file

@ -117,7 +117,7 @@ static int get_read_path(char *path, size_t size, const char *prefix, const char
static int ensure_path(char *path, int size, const char *paths[])
{
int i, len, res, mode;
int i, len, mode;
char *p = path;
for (i = 0; paths[i] != NULL; i++) {
@ -134,14 +134,14 @@ static int ensure_path(char *path, int size, const char *paths[])
if (paths[i+1] == NULL)
mode |= R_OK | W_OK;
if ((res = access(path, mode)) < 0) {
if (access(path, mode) < 0) {
if (errno != ENOENT)
return -errno;
if ((res = mkdir(path, 0700)) < 0) {
if (mkdir(path, 0700) < 0) {
pw_log_info("Can't create directory %s: %m", path);
return -errno;
}
if ((res = access(path, mode)) < 0)
if (access(path, mode) < 0)
return -errno;
pw_log_info("created directory %s", path);

8
src/pipewire/filter.c
View file

@ -282,7 +282,7 @@ static struct port *alloc_port(struct filter *filter,
int i;
for (i = 0; i < MAX_PORTS; i++) {
if ((p = filter->ports[direction][i]) == NULL)
if ((filter->ports[direction][i]) == NULL)
break;
}
if (i == MAX_PORTS)
@ -327,11 +327,10 @@ static inline int push_queue(struct port *port, struct queue *queue, struct buff
static inline struct buffer *pop_queue(struct port *port, struct queue *queue)
{
int32_t avail;
uint32_t index, id;
struct buffer *buffer;
if ((avail = spa_ringbuffer_get_read_index(&queue->ring, &index)) < 1) {
if (spa_ringbuffer_get_read_index(&queue->ring, &index) < 1) {
errno = EPIPE;
return NULL;
}
@ -1436,7 +1435,6 @@ void *pw_filter_add_port(struct pw_filter *filter,
struct filter *impl = SPA_CONTAINER_OF(filter, struct filter, this);
struct port *p;
const char *str;
int res;
if (props == NULL)
props = pw_properties_new(NULL, NULL);
@ -1461,7 +1459,7 @@ void *pw_filter_add_port(struct pw_filter *filter,
add_control_dsp_port_params(impl, p);
}
/* then override with user provided if any */
if ((res = update_params(impl, p, SPA_ID_INVALID, params, n_params)) < 0)
if (update_params(impl, p, SPA_ID_INVALID, params, n_params) < 0)
goto error_free;
p->change_mask_all = SPA_PORT_CHANGE_MASK_FLAGS |

2
src/pipewire/impl-port.c
View file

@ -922,7 +922,7 @@ int pw_impl_port_add(struct pw_impl_port *port, struct pw_impl_node *node)
}
pw_properties_set(port->properties, PW_KEY_PORT_DIRECTION, dir);
if ((str = pw_properties_get(port->properties, PW_KEY_PORT_NAME)) == NULL) {
if (pw_properties_get(port->properties, PW_KEY_PORT_NAME) == NULL) {
if ((str = pw_properties_get(port->properties, PW_KEY_AUDIO_CHANNEL)) != NULL &&
!spa_streq(str, "UNK")) {
pw_properties_setf(port->properties, PW_KEY_PORT_NAME, "%s_%s", dir, str);

3
src/pipewire/pipewire.c
View file

@ -612,8 +612,7 @@ const char *pw_get_prgname(void)
spa_memzero(prgname, sizeof(prgname));
#if defined(__linux__) || defined(__FreeBSD_kernel__)
{
ssize_t len;
if ((len = readlink("/proc/self/exe", prgname, sizeof(prgname)-1)) > 0)
if (readlink("/proc/self/exe", prgname, sizeof(prgname)-1) > 0)
return strrchr(prgname, '/') + 1;
}
#endif