Something went wrong. Try again.
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Something went wrong. Try again.
1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253// SPDX-License-Identifier: GPL-2.0-only/* * generic arrays */
#include <linux/slab.h>#include <sound/core.h>#include <sound/hdaudio.h>
/** * snd_array_new - get a new element from the given array * @array: the array object * * Get a new element from the given array. If it exceeds the * pre-allocated array size, re-allocate the array. * * Returns NULL if allocation failed. */void *snd_array_new(struct snd_array *array){ if (snd_BUG_ON(!array->elem_size)) return NULL; if (array->used >= array->alloced) { int num = array->alloced + array->alloc_align; int oldsize = array->alloced * array->elem_size; int size = (num + 1) * array->elem_size; void *nlist; if (snd_BUG_ON(num >= 4096)) return NULL; nlist = krealloc(array->list, size, GFP_KERNEL); if (!nlist) return NULL; memset(nlist + oldsize, 0, size - oldsize); array->list = nlist; array->alloced = num; } return snd_array_elem(array, array->used++);}EXPORT_SYMBOL_GPL(snd_array_new);
/** * snd_array_free - free the given array elements * @array: the array object */void snd_array_free(struct snd_array *array){ kfree(array->list); array->used = 0; array->alloced = 0; array->list = NULL;}EXPORT_SYMBOL_GPL(snd_array_free);