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remove superfluous free() checks

Browse source 
free() correctly handles NULL pointers, so we can omit explicit checks
for that condition.
This commit is contained in:
Clemens Ladisch 2006-02-27 09:58:32 +00:00
parent 45850439b3
commit 4433248bf3
33 changed files with 108 additions and 205 deletions
Download patch file Download diff file Expand all files Collapse all files

12
src/alisp/alisp.c
View file

@ -165,8 +165,7 @@ static void free_object(struct alisp_object * p)
switch (alisp_get_type(p)) { switch (alisp_get_type(p)) {
case ALISP_OBJ_STRING: case ALISP_OBJ_STRING:
case ALISP_OBJ_IDENTIFIER: case ALISP_OBJ_IDENTIFIER:
if (p->value.s) free(p->value.s);
free(p->value.s);
alisp_set_type(p, ALISP_OBJ_INTEGER); alisp_set_type(p, ALISP_OBJ_INTEGER);
break; break;
default: default:
@ -523,8 +522,7 @@ static int init_lex(struct alisp_instance *instance)
static void done_lex(struct alisp_instance *instance) static void done_lex(struct alisp_instance *instance)
{ {
if (instance->token_buffer) free(instance->token_buffer);
free(instance->token_buffer);
} }
static char * extend_buf(struct alisp_instance *instance, char *p) static char * extend_buf(struct alisp_instance *instance, char *p)
@ -1184,8 +1182,7 @@ static struct alisp_object * F_concat(struct alisp_instance *instance, struct al
str1 = realloc(str, (str ? strlen(str) : 0) + strlen(p1->value.s) + 1); str1 = realloc(str, (str ? strlen(str) : 0) + strlen(p1->value.s) + 1);
if (str1 == NULL) { if (str1 == NULL) {
nomem(); nomem();
if (str) free(str);
free(str);
return NULL; return NULL;
} }
if (str == NULL) if (str == NULL)
@ -2366,8 +2363,7 @@ static struct alisp_object * eval_func(struct alisp_instance *instance, struct a
} }
_end: _end:
if (eval_objs) free(eval_objs);
free(eval_objs);
return p4; return p4;
} else { } else {

48
src/conf.c
View file

@ -980,8 +980,7 @@ static int parse_value(snd_config_t **_n, snd_config_t *father, input_t *input,
if (err < 0) if (err < 0)
return err; return err;
} }
if (n->u.string) free(n->u.string);
free(n->u.string);
n->u.string = s; n->u.string = s;
*_n = n; *_n = n;
return 0; return 0;
@ -1056,8 +1055,7 @@ static int parse_array_def(snd_config_t *father, input_t *input, int idx, int sk
} }
err = 0; err = 0;
__end: __end:
if (id) free(id);
free(id);
return err; return err;
} }
@ -1218,8 +1216,7 @@ static int parse_def(snd_config_t *father, input_t *input, int skip, int overrid
unget_char(c, input); unget_char(c, input);
} }
__end: __end:
if (id) free(id);
free(id);
return err; return err;
} }
@ -1446,8 +1443,7 @@ int snd_config_substitute(snd_config_t *dst, snd_config_t *src)
if (err < 0) if (err < 0)
return err; return err;
} }
if (dst->id) free(dst->id);
free(dst->id);
dst->id = src->id; dst->id = src->id;
dst->type = src->type; dst->type = src->type;
dst->u = src->u; dst->u = src->u;
@ -1528,8 +1524,7 @@ int snd_config_set_id(snd_config_t *config, const char *id)
new_id = strdup(id); new_id = strdup(id);
if (!new_id) if (!new_id)
return -ENOMEM; return -ENOMEM;
if (config->id) free(config->id);
free(config->id);
config->id = new_id; config->id = new_id;
return 0; return 0;
} }
@ -1696,16 +1691,14 @@ int snd_config_delete(snd_config_t *config)
break; break;
} }
case SND_CONFIG_TYPE_STRING: case SND_CONFIG_TYPE_STRING:
if (config->u.string) free(config->u.string);
free(config->u.string);
break; break;
default: default:
break; break;
} }
if (config->father) if (config->father)
list_del(&config->list); list_del(&config->list);
if (config->id) free(config->id);
free(config->id);
free(config); free(config);
return 0; return 0;
} }
@ -2023,8 +2016,7 @@ int snd_config_set_string(snd_config_t *config, const char *value)
} else { } else {
new_string = NULL; new_string = NULL;
} }
if (config->u.string) free(config->u.string);
free(config->u.string);
config->u.string = new_string; config->u.string = new_string;
return 0; return 0;
} }
@ -2091,8 +2083,7 @@ int snd_config_set_ascii(snd_config_t *config, const char *ascii)
char *ptr = strdup(ascii); char *ptr = strdup(ascii);
if (ptr == NULL) if (ptr == NULL)
return -ENOMEM; return -ENOMEM;
if (config->u.string) free(config->u.string);
free(config->u.string);
config->u.string = ptr; config->u.string = ptr;
} }
break; break;
@ -2702,8 +2693,7 @@ static int snd_config_hooks_call(snd_config_t *root, snd_config_t *config, snd_c
if (err >= 0 && nroot) if (err >= 0 && nroot)
err = snd_config_substitute(root, nroot); err = snd_config_substitute(root, nroot);
} }
if (buf) free(buf);
free(buf);
if (err < 0) if (err < 0)
return err; return err;
return 0; return 0;
@ -2844,11 +2834,10 @@ int snd_config_hook_load(snd_config_t *root, snd_config_t *config, snd_config_t
*dst = NULL; *dst = NULL;
err = 0; err = 0;
_err: _err:
for (idx = 0; idx < fi_count; idx++) if (fi)
if (fi[idx].name) for (idx = 0; idx < fi_count; idx++)
free(fi[idx].name); free(fi[idx].name);
if (fi) free(fi);
free(fi);
snd_config_delete(n); snd_config_delete(n);
return err; return err;
} }
@ -2905,8 +2894,7 @@ int snd_config_hook_load_for_all_cards(snd_config_t *root, snd_config_t *config,
__err: __err:
if (private_data) if (private_data)
snd_config_delete(private_data); snd_config_delete(private_data);
if (fdriver) free(fdriver);
free(fdriver);
if (err < 0) if (err < 0)
return err; return err;
} }
@ -3108,8 +3096,7 @@ int snd_config_update_free(snd_config_update_t *update)
assert(update); assert(update);
for (k = 0; k < update->count; k++) for (k = 0; k < update->count; k++)
free(update->finfo[k].name); free(update->finfo[k].name);
if (update->finfo) free(update->finfo);
free(update->finfo);
free(update); free(update);
return 0; return 0;
} }
@ -3500,8 +3487,7 @@ static int _snd_config_evaluate(snd_config_t *src,
} }
} }
_errbuf: _errbuf:
if (buf) free(buf);
free(buf);
if (err < 0) if (err < 0)
return err; return err;
return 0; return 0;

6
src/confmisc.c
View file

@ -295,8 +295,7 @@ int snd_func_getenv(snd_config_t **dst, snd_config_t *root, snd_config_t *src,
free(res); free(res);
} }
__error: __error:
if (def) free(def);
free(def);
return err; return err;
} }
#ifndef DOC_HIDDEN #ifndef DOC_HIDDEN
@ -419,8 +418,7 @@ int snd_func_concat(snd_config_t **dst, snd_config_t *root, snd_config_t *src,
tmp = realloc(res, len + len1 + 1); tmp = realloc(res, len + len1 + 1);
if (tmp == NULL) { if (tmp == NULL) {
free(ptr); free(ptr);
if (res) free(res);
free(res);
err = -ENOMEM; err = -ENOMEM;
goto __error; goto __error;
} }

6
src/control/control.c
View file

@ -94,8 +94,7 @@ int snd_ctl_close(snd_ctl_t *ctl)
snd_async_del_handler(h); snd_async_del_handler(h);
} }
err = ctl->ops->close(ctl); err = ctl->ops->close(ctl);
if (ctl->name) free(ctl->name);
free(ctl->name);
if (ctl->dl_handle) if (ctl->dl_handle)
snd_dlclose(ctl->dl_handle); snd_dlclose(ctl->dl_handle);
free(ctl); free(ctl);
@ -925,8 +924,7 @@ const char *snd_ctl_event_type_name(snd_ctl_event_type_t type)
*/ */
int snd_ctl_elem_list_alloc_space(snd_ctl_elem_list_t *obj, unsigned int entries) int snd_ctl_elem_list_alloc_space(snd_ctl_elem_list_t *obj, unsigned int entries)
{ {
if (obj->pids) free(obj->pids);
free(obj->pids);
obj->pids = calloc(entries, sizeof(*obj->pids)); obj->pids = calloc(entries, sizeof(*obj->pids));
if (!obj->pids) { if (!obj->pids) {
obj->space = 0; obj->space = 0;

3
src/control/control_shm.c
View file

@ -555,8 +555,7 @@ int snd_ctl_shm_open(snd_ctl_t **handlep, const char *name, const char *sockname
close(sock); close(sock);
if (ctrl) if (ctrl)
shmdt(ctrl); shmdt(ctrl);
if (shm) free(shm);
free(shm);
return result; return result;
} }

3
src/control/hcontrol.c
View file

@ -606,8 +606,7 @@ int snd_hctl_load(snd_hctl_t *hctl)
} }
err = snd_ctl_subscribe_events(hctl->ctl, 1); err = snd_ctl_subscribe_events(hctl->ctl, 1);
_end: _end:
if (list.pids) free(list.pids);
free(list.pids);
return err; return err;
} }

3
src/hwdep/hwdep.c
View file

@ -207,8 +207,7 @@ int snd_hwdep_close(snd_hwdep_t *hwdep)
int err; int err;
assert(hwdep); assert(hwdep);
err = hwdep->ops->close(hwdep); err = hwdep->ops->close(hwdep);
if (hwdep->name) free(hwdep->name);
free(hwdep->name);
free(hwdep); free(hwdep);
return err; return err;
} }

12
src/instr/iwffff.c
View file

@ -382,12 +382,9 @@ int snd_instr_iwffff_close(snd_iwffff_handle_t *handle)
{ {
if (handle == NULL) if (handle == NULL)
return -EINVAL; return -EINVAL;
if (handle->dat_filename) free(handle->dat_filename);
free(handle->dat_filename); free(handle->fff_filename);
if (handle->fff_filename) free(handle->fff_data);
free(handle->fff_filename);
if (handle->fff_data)
free(handle->fff_data);
free(handle); free(handle);
return 0; return 0;
} }
@ -396,8 +393,7 @@ static void free_wave(iwffff_wave_t *wave)
{ {
if (wave == NULL) if (wave == NULL)
return; return;
if (wave->address.ptr != NULL) free(wave->address.ptr);
free(wave->address.ptr);
free(wave); free(wave);
} }

6
src/mixer/mixer.c
View file

@ -607,10 +607,8 @@ int snd_mixer_close(snd_mixer_t *mixer)
} }
assert(list_empty(&mixer->elems)); assert(list_empty(&mixer->elems));
assert(mixer->count == 0); assert(mixer->count == 0);
if (mixer->pelems) { free(mixer->pelems);
free(mixer->pelems); mixer->pelems = NULL;
mixer->pelems = NULL;
}
while (!list_empty(&mixer->slaves)) { while (!list_empty(&mixer->slaves)) {
int err; int err;
snd_mixer_slave_t *s; snd_mixer_slave_t *s;

3
src/mixer/simple_abst.c
View file

@ -182,8 +182,7 @@ static void private_free(snd_mixer_class_t *class)
snd_hctl_close(priv->hctl); snd_hctl_close(priv->hctl);
} else if (priv->ctl) } else if (priv->ctl)
snd_ctl_close(priv->ctl); snd_ctl_close(priv->ctl);
if (priv->device) free(priv->device);
free(priv->device);
free(priv); free(priv);
} }

3
src/mixer/simple_none.c
View file

@ -1388,8 +1388,7 @@ int snd_mixer_simple_none_register(snd_mixer_t *mixer,
snd_mixer_class_set_compare(class, snd_mixer_selem_compare); snd_mixer_class_set_compare(class, snd_mixer_selem_compare);
err = snd_mixer_class_register(class, mixer); err = snd_mixer_class_register(class, mixer);
if (err < 0) { if (err < 0) {
if (class) free(class);
free(class);
return err; return err;
} }
if (classp) if (classp)

15
src/names.c
View file

@ -105,17 +105,14 @@ static int names_parse(snd_config_t *top, const char *iface, snd_devname_t **lis
} }
last = dn; last = dn;
} else { } else {
if (comment != NULL) free(comment);
free(comment);
} }
} }
return 0; return 0;
_err: _err:
if (name) free(name);
free(name); free(comment);
if (comment)
free(comment);
return err; return err;
} }
@ -189,10 +186,8 @@ void snd_names_list_free(snd_devname_t *list)
while (list != NULL) { while (list != NULL) {
next = list->next; next = list->next;
if (list->name) free(list->name);
free(list->name); free(list->comment);
if (list->comment)
free(list->comment);
free(list); free(list);
list = next; list = next;
} }

15
src/pcm/pcm.c
View file

@ -2102,10 +2102,8 @@ static int snd_pcm_open_conf(snd_pcm_t **pcmp, const char *name,
} }
if (type_conf) if (type_conf)
snd_config_delete(type_conf); snd_config_delete(type_conf);
if (buf) free(buf);
free(buf); free(buf1);
if (buf1)
free(buf1);
return err; return err;
} }
@ -2187,12 +2185,9 @@ int snd_pcm_new(snd_pcm_t **pcmp, snd_pcm_type_t type, const char *name,
int snd_pcm_free(snd_pcm_t *pcm) int snd_pcm_free(snd_pcm_t *pcm)
{ {
assert(pcm); assert(pcm);
if (pcm->name) free(pcm->name);
free(pcm->name); free(pcm->hw.link_dst);
if (pcm->hw.link_dst) free(pcm->appl.link_dst);
free(pcm->hw.link_dst);
if (pcm->appl.link_dst)
free(pcm->appl.link_dst);
if (pcm->dl_handle) if (pcm->dl_handle)
snd_dlclose(pcm->dl_handle); snd_dlclose(pcm->dl_handle);
free(pcm); free(pcm);

6
src/pcm/pcm_adpcm.c
View file

@ -449,10 +449,8 @@ static int snd_pcm_adpcm_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params)
static int snd_pcm_adpcm_hw_free(snd_pcm_t *pcm) static int snd_pcm_adpcm_hw_free(snd_pcm_t *pcm)
{ {
snd_pcm_adpcm_t *adpcm = pcm->private_data; snd_pcm_adpcm_t *adpcm = pcm->private_data;
if (adpcm->states) { free(adpcm->states);
free(adpcm->states); adpcm->states = NULL;
adpcm->states = 0;
}
return snd_pcm_hw_free(adpcm->plug.gen.slave); return snd_pcm_hw_free(adpcm->plug.gen.slave);
} }

6
src/pcm/pcm_dmix.c
View file

@ -639,8 +639,7 @@ static int snd_pcm_dmix_close(snd_pcm_t *pcm)
shm_sum_discard(dmix); shm_sum_discard(dmix);
snd_pcm_direct_shm_discard(dmix); snd_pcm_direct_shm_discard(dmix);
snd_pcm_direct_semaphore_up(dmix, DIRECT_IPC_SEM_CLIENT); snd_pcm_direct_semaphore_up(dmix, DIRECT_IPC_SEM_CLIENT);
if (dmix->bindings) free(dmix->bindings);
free(dmix->bindings);
pcm->private_data = NULL; pcm->private_data = NULL;
free(dmix); free(dmix);
return 0; return 0;
@ -941,8 +940,7 @@ int snd_pcm_dmix_open(snd_pcm_t **pcmp, const char *name,
snd_pcm_direct_semaphore_up(dmix, DIRECT_IPC_SEM_CLIENT); snd_pcm_direct_semaphore_up(dmix, DIRECT_IPC_SEM_CLIENT);
_err_nosem: _err_nosem:
if (dmix) { if (dmix) {
if (dmix->bindings) free(dmix->bindings);
free(dmix->bindings);
free(dmix); free(dmix);
} }
if (pcm) if (pcm)

6
src/pcm/pcm_dshare.c
View file

@ -466,8 +466,7 @@ static int snd_pcm_dshare_close(snd_pcm_t *pcm)
snd_pcm_direct_client_discard(dshare); snd_pcm_direct_client_discard(dshare);
snd_pcm_direct_shm_discard(dshare); snd_pcm_direct_shm_discard(dshare);
snd_pcm_direct_semaphore_up(dshare, DIRECT_IPC_SEM_CLIENT); snd_pcm_direct_semaphore_up(dshare, DIRECT_IPC_SEM_CLIENT);
if (dshare->bindings) free(dshare->bindings);
free(dshare->bindings);
pcm->private_data = NULL; pcm->private_data = NULL;
free(dshare); free(dshare);
return 0; return 0;
@ -763,8 +762,7 @@ int snd_pcm_dshare_open(snd_pcm_t **pcmp, const char *name,
snd_pcm_direct_semaphore_up(dshare, DIRECT_IPC_SEM_CLIENT); snd_pcm_direct_semaphore_up(dshare, DIRECT_IPC_SEM_CLIENT);
_err_nosem: _err_nosem:
if (dshare) { if (dshare) {
if (dshare->bindings) free(dshare->bindings);
free(dshare->bindings);
free(dshare); free(dshare);
} }
if (pcm) if (pcm)

6
src/pcm/pcm_dsnoop.c
View file

@ -362,8 +362,7 @@ static int snd_pcm_dsnoop_close(snd_pcm_t *pcm)
snd_pcm_direct_client_discard(dsnoop); snd_pcm_direct_client_discard(dsnoop);
snd_pcm_direct_shm_discard(dsnoop); snd_pcm_direct_shm_discard(dsnoop);
snd_pcm_direct_semaphore_up(dsnoop, DIRECT_IPC_SEM_CLIENT); snd_pcm_direct_semaphore_up(dsnoop, DIRECT_IPC_SEM_CLIENT);
if (dsnoop->bindings) free(dsnoop->bindings);
free(dsnoop->bindings);
pcm->private_data = NULL; pcm->private_data = NULL;
free(dsnoop); free(dsnoop);
return 0; return 0;
@ -636,8 +635,7 @@ int snd_pcm_dsnoop_open(snd_pcm_t **pcmp, const char *name,
snd_pcm_direct_semaphore_up(dsnoop, DIRECT_IPC_SEM_CLIENT); snd_pcm_direct_semaphore_up(dsnoop, DIRECT_IPC_SEM_CLIENT);
_err_nosem: _err_nosem:
if (dsnoop) { if (dsnoop) {
if (dsnoop->bindings) free(dsnoop->bindings);
free(dsnoop->bindings);
free(dsnoop); free(dsnoop);
} }
if (pcm) if (pcm)

14
src/pcm/pcm_file.c
View file

@ -263,13 +263,10 @@ static snd_pcm_sframes_t snd_pcm_file_mmap_commit(snd_pcm_t *pcm,
static int snd_pcm_file_hw_free(snd_pcm_t *pcm) static int snd_pcm_file_hw_free(snd_pcm_t *pcm)
{ {
snd_pcm_file_t *file = pcm->private_data; snd_pcm_file_t *file = pcm->private_data;
if (file->wbuf) { free(file->wbuf);
free(file->wbuf); free(file->wbuf_areas);
if (file->wbuf_areas) file->wbuf = NULL;
free(file->wbuf_areas); file->wbuf_areas = NULL;
file->wbuf = 0;
file->wbuf_areas = 0;
}
return snd_pcm_hw_free(file->gen.slave); return snd_pcm_hw_free(file->gen.slave);
} }
@ -418,8 +415,7 @@ int snd_pcm_file_open(snd_pcm_t **pcmp, const char *name,
err = snd_pcm_new(&pcm, SND_PCM_TYPE_FILE, name, slave->stream, slave->mode); err = snd_pcm_new(&pcm, SND_PCM_TYPE_FILE, name, slave->stream, slave->mode);
if (err < 0) { if (err < 0) {
if (fname) free(file->fname);
free(file->fname);
free(file); free(file);
return err; return err;
} }

12
src/pcm/pcm_hw.c
View file

@ -843,10 +843,8 @@ static int snd_pcm_hw_munmap_status(snd_pcm_t *pcm)
snd_pcm_hw_t *hw = pcm->private_data; snd_pcm_hw_t *hw = pcm->private_data;
int err; int err;
if (hw->sync_ptr_ioctl) { if (hw->sync_ptr_ioctl) {
if (hw->sync_ptr) { free(hw->sync_ptr);
free(hw->sync_ptr); hw->sync_ptr = NULL;
hw->sync_ptr = NULL;
}
} else { } else {
if (munmap((void*)hw->mmap_status, page_align(sizeof(*hw->mmap_status))) < 0) { if (munmap((void*)hw->mmap_status, page_align(sizeof(*hw->mmap_status))) < 0) {
err = -errno; err = -errno;
@ -862,10 +860,8 @@ static int snd_pcm_hw_munmap_control(snd_pcm_t *pcm)
snd_pcm_hw_t *hw = pcm->private_data; snd_pcm_hw_t *hw = pcm->private_data;
int err; int err;
if (hw->sync_ptr_ioctl) { if (hw->sync_ptr_ioctl) {
if (hw->sync_ptr) { free(hw->sync_ptr);
free(hw->sync_ptr); hw->sync_ptr = NULL;
hw->sync_ptr = NULL;
}
} else { } else {
if (munmap(hw->mmap_control, page_align(sizeof(*hw->mmap_control))) < 0) { if (munmap(hw->mmap_control, page_align(sizeof(*hw->mmap_control))) < 0) {
err = -errno; err = -errno;

30
src/pcm/pcm_ladspa.c
View file

@ -175,10 +175,8 @@ static int snd_pcm_ladspa_find_port_idx(unsigned int *res,
static void snd_pcm_ladspa_free_io(snd_pcm_ladspa_plugin_io_t *io) static void snd_pcm_ladspa_free_io(snd_pcm_ladspa_plugin_io_t *io)
{ {
if (io->controls) free(io->controls);
free(io->controls); free(io->controls_initialized);
if (io->controls_initialized)
free(io->controls_initialized);
} }
static void snd_pcm_ladspa_free_plugins(struct list_head *plugins) static void snd_pcm_ladspa_free_plugins(struct list_head *plugins)
@ -189,8 +187,7 @@ static void snd_pcm_ladspa_free_plugins(struct list_head *plugins)
snd_pcm_ladspa_free_io(&plugin->output); snd_pcm_ladspa_free_io(&plugin->output);
if (plugin->dl_handle) if (plugin->dl_handle)
dlclose(plugin->dl_handle); dlclose(plugin->dl_handle);
if (plugin->filename) free(plugin->filename);
free(plugin->filename);
list_del(&plugin->list); list_del(&plugin->list);
free(plugin); free(plugin);
} }
@ -203,8 +200,7 @@ static void snd_pcm_ladspa_free(snd_pcm_ladspa_t *ladspa)
snd_pcm_ladspa_free_plugins(&ladspa->pplugins); snd_pcm_ladspa_free_plugins(&ladspa->pplugins);
snd_pcm_ladspa_free_plugins(&ladspa->cplugins); snd_pcm_ladspa_free_plugins(&ladspa->cplugins);
for (idx = 0; idx < 2; idx++) { for (idx = 0; idx < 2; idx++) {
if (ladspa->zero[idx]) free(ladspa->zero[idx]);
free(ladspa->zero[idx]);
ladspa->zero[idx] = NULL; ladspa->zero[idx] = NULL;
} }
ladspa->allocated = 0; ladspa->allocated = 0;
@ -317,10 +313,8 @@ static int snd_pcm_ladspa_hw_params(snd_pcm_t *pcm, snd_pcm_hw_params_t * params
static void snd_pcm_ladspa_free_eps(snd_pcm_ladspa_eps_t *eps) static void snd_pcm_ladspa_free_eps(snd_pcm_ladspa_eps_t *eps)
{ {
if (eps->channels.array) free(eps->channels.array);
free(eps->channels.array); free(eps->ports.array);
if (eps->ports.array)
free(eps->ports.array);
} }
static void snd_pcm_ladspa_free_instances(snd_pcm_t *pcm, snd_pcm_ladspa_t *ladspa, int cleanup) static void snd_pcm_ladspa_free_instances(snd_pcm_t *pcm, snd_pcm_ladspa_t *ladspa, int cleanup)
@ -340,14 +334,12 @@ static void snd_pcm_ladspa_free_instances(snd_pcm_t *pcm, snd_pcm_ladspa_t *lads
plugin->desc->cleanup(instance->handle); plugin->desc->cleanup(instance->handle);
if (instance->input.m_data) { if (instance->input.m_data) {
for (idx = 0; idx < instance->input.channels.size; idx++) for (idx = 0; idx < instance->input.channels.size; idx++)
if (instance->input.m_data[idx]) free(instance->input.m_data[idx]);
free(instance->input.m_data[idx]);
free(instance->input.m_data); free(instance->input.m_data);
} }
if (instance->output.m_data) { if (instance->output.m_data) {
for (idx = 0; idx < instance->output.channels.size; idx++) for (idx = 0; idx < instance->output.channels.size; idx++)
if (instance->output.m_data[idx]) free(instance->output.m_data[idx]);
free(instance->output.m_data[idx]);
free(instance->output.m_data); free(instance->output.m_data);
} }
list_del(&(instance->list)); list_del(&(instance->list));
@ -789,10 +781,8 @@ static int snd_pcm_ladspa_allocate_memory(snd_pcm_t *pcm, snd_pcm_ladspa_t *lads
for (idx = 0; idx < instance->output.channels.size; idx++) { for (idx = 0; idx < instance->output.channels.size; idx++) {
chn = instance->output.channels.array[idx]; chn = instance->output.channels.array[idx];
if (instance->output.data[idx] == pchannels[chn]) { if (instance->output.data[idx] == pchannels[chn]) {
if (instance->output.m_data[idx]) { free(instance->output.m_data[idx]);
free(instance->output.m_data[idx]); instance->output.m_data[idx] = NULL;
instance->output.m_data[idx] = NULL;
}
if (chn < ochannels) { if (chn < ochannels) {
instance->output.data[idx] = NULL; instance->output.data[idx] = NULL;
} else { } else {

25
src/pcm/pcm_meter.c
View file

@ -153,8 +153,7 @@ static int snd_pcm_meter_update_scope(snd_pcm_t *pcm)
static int snd_pcm_scope_remove(snd_pcm_scope_t *scope) static int snd_pcm_scope_remove(snd_pcm_scope_t *scope)
{ {
if (scope->name) free(scope->name);
free((void *)scope->name);
scope->ops->close(scope); scope->ops->close(scope);
list_del(&scope->list); list_del(&scope->list);
free(scope); free(scope);
@ -480,12 +479,10 @@ static int snd_pcm_meter_hw_free(snd_pcm_t *pcm)
pthread_mutex_unlock(&meter->running_mutex); pthread_mutex_unlock(&meter->running_mutex);
err = pthread_join(meter->thread, 0); err = pthread_join(meter->thread, 0);
assert(err == 0); assert(err == 0);
if (meter->buf) { free(meter->buf);
free(meter->buf); free(meter->buf_areas);
free(meter->buf_areas); meter->buf = NULL;
meter->buf = 0; meter->buf_areas = NULL;
meter->buf_areas = 0;
}
return snd_pcm_hw_free(meter->gen.slave); return snd_pcm_hw_free(meter->gen.slave);
} }
@ -1028,15 +1025,13 @@ static int s16_enable(snd_pcm_scope_t *scope)
} }
s16->buf = malloc(meter->buf_size * 2 * spcm->channels); s16->buf = malloc(meter->buf_size * 2 * spcm->channels);
if (!s16->buf) { if (!s16->buf) {
if (s16->adpcm_states) free(s16->adpcm_states);
free(s16->adpcm_states);
return -ENOMEM; return -ENOMEM;
} }
a = calloc(spcm->channels, sizeof(*a)); a = calloc(spcm->channels, sizeof(*a));
if (!a) { if (!a) {
free(s16->buf); free(s16->buf);
if (s16->adpcm_states) free(s16->adpcm_states);
free(s16->adpcm_states);
return -ENOMEM; return -ENOMEM;
} }
s16->buf_areas = a; s16->buf_areas = a;
@ -1051,10 +1046,8 @@ static int s16_enable(snd_pcm_scope_t *scope)
static void s16_disable(snd_pcm_scope_t *scope) static void s16_disable(snd_pcm_scope_t *scope)
{ {
snd_pcm_scope_s16_t *s16 = scope->private_data; snd_pcm_scope_s16_t *s16 = scope->private_data;
if (s16->adpcm_states) { free(s16->adpcm_states);
free(s16->adpcm_states); s16->adpcm_states = NULL;
s16->adpcm_states = NULL;
}
free(s16->buf); free(s16->buf);
s16->buf = NULL; s16->buf = NULL;
free(s16->buf_areas); free(s16->buf_areas);

17
src/pcm/pcm_multi.c
View file

@ -790,7 +790,7 @@ int snd_pcm_multi_open(snd_pcm_t **pcmp, const char *name,
multi->channels = calloc(channels_count, sizeof(*multi->channels)); multi->channels = calloc(channels_count, sizeof(*multi->channels));
if (!multi->channels) { if (!multi->channels) {
free(multi->slaves); free(multi->slaves);
free(multi->channels); free(multi);
return -ENOMEM; return -ENOMEM;
} }
for (i = 0; i < slaves_count; ++i) { for (i = 0; i < slaves_count; ++i) {
@ -1130,16 +1130,11 @@ _free:
} }
free(slaves_conf); free(slaves_conf);
} }
if (slaves_pcm) free(slaves_pcm);
free(slaves_pcm); free(slaves_channels);
if (slaves_channels) free(channels_sidx);
free(slaves_channels); free(channels_schannel);
if (channels_sidx) free(slaves_id);
free(channels_sidx);
if (channels_schannel)
free(channels_schannel);
if (slaves_id)
free(slaves_id);
return err; return err;
} }
#ifndef DOC_HIDDEN #ifndef DOC_HIDDEN

3
src/pcm/pcm_plug.c
View file

@ -62,8 +62,7 @@ static int snd_pcm_plug_close(snd_pcm_t *pcm)
{ {
snd_pcm_plug_t *plug = pcm->private_data; snd_pcm_plug_t *plug = pcm->private_data;
int err, result = 0; int err, result = 0;
if (plug->ttable) free(plug->ttable);
free(plug->ttable);
assert(plug->gen.slave == plug->req_slave); assert(plug->gen.slave == plug->req_slave);
if (plug->gen.close_slave) { if (plug->gen.close_slave) {
snd_pcm_unlink_hw_ptr(pcm, plug->req_slave); snd_pcm_unlink_hw_ptr(pcm, plug->req_slave);

3
src/pcm/pcm_route.c
View file

@ -513,8 +513,7 @@ static int snd_pcm_route_close(snd_pcm_t *pcm)
if (params->dsts) { if (params->dsts) {
for (dst_channel = 0; dst_channel < params->ndsts; ++dst_channel) { for (dst_channel = 0; dst_channel < params->ndsts; ++dst_channel) {
if (params->dsts[dst_channel].srcs != NULL) free(params->dsts[dst_channel].srcs);
free(params->dsts[dst_channel].srcs);
} }
free(params->dsts); free(params->dsts);
} }

6
src/pcm/pcm_share.c
View file

@ -1689,10 +1689,8 @@ int _snd_pcm_share_open(snd_pcm_t **pcmp, const char *name,
speriod_time, sbuffer_time, speriod_time, sbuffer_time,
channels, channels_map, stream, mode); channels, channels_map, stream, mode);
_free: _free:
if (channels_map) free(channels_map);
free(channels_map); free((char *)sname);
if (sname)
free((char *)sname);
return err; return err;
} }
#ifndef DOC_HIDDEN #ifndef DOC_HIDDEN

3
src/pcm/pcm_shm.c
View file

@ -773,8 +773,7 @@ int snd_pcm_shm_open(snd_pcm_t **pcmp, const char *name,
close(sock); close(sock);
if (ctrl) if (ctrl)
shmdt(ctrl); shmdt(ctrl);
if (shm) free(shm);
free(shm);
return result; return result;
} }

3
src/rawmidi/rawmidi.c
View file

@ -342,8 +342,7 @@ int snd_rawmidi_close(snd_rawmidi_t *rawmidi)
int err; int err;
assert(rawmidi); assert(rawmidi);
err = rawmidi->ops->close(rawmidi); err = rawmidi->ops->close(rawmidi);
if (rawmidi->name) free(rawmidi->name);
free(rawmidi->name);
if (rawmidi->dl_handle) if (rawmidi->dl_handle)
snd_dlclose(rawmidi->dl_handle); snd_dlclose(rawmidi->dl_handle);
free(rawmidi); free(rawmidi);

7
src/rawmidi/rawmidi_hw.c
View file

@ -316,11 +316,10 @@ int snd_rawmidi_hw_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
_nomem: _nomem:
close(fd); close(fd);
if (hw) free(hw);
free(hw); if (inputp)
if (inputp && *inputp)
free(*inputp); free(*inputp);
if (outputp && *outputp) if (outputp)
free(*outputp); free(*outputp);
return -ENOMEM; return -ENOMEM;
} }

7
src/rawmidi/rawmidi_virt.c
View file

@ -385,11 +385,10 @@ int snd_rawmidi_virtual_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
snd_seq_close(seq_handle); snd_seq_close(seq_handle);
if (virt->midi_event) if (virt->midi_event)
snd_midi_event_free(virt->midi_event); snd_midi_event_free(virt->midi_event);
if (virt) free(virt);
free(virt); if (inputp)
if (inputp && *inputp)
free(*inputp); free(*inputp);
if (outputp && *outputp) if (outputp)
free(*outputp); free(*outputp);
return err; return err;
} }

12
src/seq/seq.c
View file

@ -1029,14 +1029,10 @@ int snd_seq_close(snd_seq_t *seq)
int err; int err;
assert(seq); assert(seq);
err = seq->ops->close(seq); err = seq->ops->close(seq);
if (seq->obuf) free(seq->obuf);
free(seq->obuf); free(seq->ibuf);
if (seq->ibuf) free(seq->tmpbuf);
free(seq->ibuf); free(seq->name);
if (seq->tmpbuf)
free(seq->tmpbuf);
if (seq->name)
free(seq->name);
free(seq); free(seq);
return err; return err;
} }

6
src/seq/seq_midi_event.c
View file

@ -167,8 +167,7 @@ int snd_midi_event_new(size_t bufsize, snd_midi_event_t **rdev)
void snd_midi_event_free(snd_midi_event_t *dev) void snd_midi_event_free(snd_midi_event_t *dev)
{ {
if (dev != NULL) { if (dev != NULL) {
if (dev->buf) free(dev->buf);
free(dev->buf);
free(dev); free(dev);
} }
} }
@ -253,8 +252,7 @@ int snd_midi_event_resize_buffer(snd_midi_event_t *dev, size_t bufsize)
dev->buf = new_buf; dev->buf = new_buf;
dev->bufsize = bufsize; dev->bufsize = bufsize;
reset_encode(dev); reset_encode(dev);
if (old_buf) free(old_buf);
free(old_buf);
return 0; return 0;
} }

3
src/timer/timer.c
View file

@ -243,8 +243,7 @@ int snd_timer_close(snd_timer_t *timer)
snd_async_del_handler(h); snd_async_del_handler(h);
} }
err = timer->ops->close(timer); err = timer->ops->close(timer);
if (timer->name) free(timer->name);
free(timer->name);
free(timer); free(timer);
return err; return err;
} }

3
src/timer/timer_query.c
View file

@ -197,8 +197,7 @@ int snd_timer_query_close(snd_timer_query_t *timer)
int err; int err;
assert(timer); assert(timer);
err = timer->ops->close(timer); err = timer->ops->close(timer);
if (timer->name) free(timer->name);
free(timer->name);
free(timer); free(timer);
return err; return err;
} }