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ALSA: hda/realtek: Use auto cleanup for temporary buffers

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The release of temporary kmalloced buffers can be nicely handled via
the standard __free(kfree).

Only code refactoring, and no behavior change.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Link: https://patch.msgid.link/20250827072916.31933-21-tiwai@suse.de
This commit is contained in:
Takashi Iwai 2025-08-27 09:29:00 +02:00
parent b0550d4c2d
commit 6b12178fa0
1 changed files with 1 additions and 2 deletions
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3
sound/hda/codecs/realtek/realtek.c
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@ -215,7 +215,7 @@ void alc_update_knob_master(struct hda_codec *codec,
{
unsigned int val;
struct snd_kcontrol *kctl;
struct snd_ctl_elem_value *uctl;
struct snd_ctl_elem_value *uctl __free(kfree) = NULL;
kctl = snd_hda_find_mixer_ctl(codec, "Master Playback Volume");
if (!kctl)
@ -229,7 +229,6 @@ void alc_update_knob_master(struct hda_codec *codec,
uctl->value.integer.value[0] = val;
uctl->value.integer.value[1] = val;
kctl->put(kctl, uctl);
kfree(uctl);
}
EXPORT_SYMBOL_NS_GPL(alc_update_knob_master, "SND_HDA_CODEC_REALTEK");