Using the ARRAY_SIZE macro improves the readability of the code.

Found with Coccinelle with the following semantic patch: @r depends on (org || report)@ type T; T[] E; position p; @@ ( (sizeof(E)@p /sizeof(*E)) | (sizeof(E)@p /sizeof(E[...])) | (sizeof(E)@p /sizeof(T)) )

Signed-off-by: Jérémy Lefaure jeremy.lefaure@lse.epita.fr --- Changes since v1: - keep sound/oss untouched

sound/pci/hda/patch_ca0132.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/sound/pci/hda/patch_ca0132.c b/sound/pci/hda/patch_ca0132.c index 3e73d5c6ccfc..768ea8651993 100644 --- a/sound/pci/hda/patch_ca0132.c +++ b/sound/pci/hda/patch_ca0132.c @@ -27,6 +27,7 @@ #include <linux/mutex.h> #include <linux/module.h> #include <linux/firmware.h> +#include <linux/kernel.h> #include <sound/core.h> #include "hda_codec.h" #include "hda_local.h" @@ -3605,8 +3606,7 @@ static int ca0132_vnode_switch_set(struct snd_kcontrol *kcontrol, static int ca0132_voicefx_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { - unsigned int items = sizeof(ca0132_voicefx_presets) - / sizeof(struct ct_voicefx_preset); + unsigned int items = ARRAY_SIZE(ca0132_voicefx_presets);

uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; uinfo->count = 1; @@ -3635,10 +3635,8 @@ static int ca0132_voicefx_put(struct snd_kcontrol *kcontrol, struct ca0132_spec *spec = codec->spec; int i, err = 0; int sel = ucontrol->value.enumerated.item[0]; - unsigned int items = sizeof(ca0132_voicefx_presets) - / sizeof(struct ct_voicefx_preset);

- if (sel >= items) + if (sel >= ARRAY_SIZE(ca0132_voicefx_presets)) return 0;

codec_dbg(codec, "ca0132_voicefx_put: sel=%d, preset=%s\n",