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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

6
src/control/control.c
View file

@ -94,8 +94,7 @@ int snd_ctl_close(snd_ctl_t *ctl)
snd_async_del_handler(h);
}
err = ctl->ops->close(ctl);
if (ctl->name)
free(ctl->name);
free(ctl->name);
if (ctl->dl_handle)
snd_dlclose(ctl->dl_handle);
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)
{
if (obj->pids)
free(obj->pids);
free(obj->pids);
obj->pids = calloc(entries, sizeof(*obj->pids));
if (!obj->pids) {
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);
if (ctrl)
shmdt(ctrl);
if (shm)
free(shm);
free(shm);
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);
_end:
if (list.pids)
free(list.pids);
free(list.pids);
return err;
}