]>
git.proxmox.com Git - mirror_ubuntu-bionic-kernel.git/blob - sound/hda/array.c
5 #include <linux/slab.h>
6 #include <sound/core.h>
7 #include <sound/hdaudio.h>
10 * snd_array_new - get a new element from the given array
11 * @array: the array object
13 * Get a new element from the given array. If it exceeds the
14 * pre-allocated array size, re-allocate the array.
16 * Returns NULL if allocation failed.
18 void *snd_array_new(struct snd_array
*array
)
20 if (snd_BUG_ON(!array
->elem_size
))
22 if (array
->used
>= array
->alloced
) {
23 int num
= array
->alloced
+ array
->alloc_align
;
24 int size
= (num
+ 1) * array
->elem_size
;
26 if (snd_BUG_ON(num
>= 4096))
28 nlist
= krealloc(array
->list
, size
, GFP_KERNEL
| __GFP_ZERO
);
34 return snd_array_elem(array
, array
->used
++);
36 EXPORT_SYMBOL_GPL(snd_array_new
);
39 * snd_array_free - free the given array elements
40 * @array: the array object
42 void snd_array_free(struct snd_array
*array
)
49 EXPORT_SYMBOL_GPL(snd_array_free
);