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authorRosen Penev <rosenp@gmail.com>2026-05-11 16:01:21 -0700
committerTakashi Iwai <tiwai@suse.de>2026-05-15 08:56:51 +0200
commit3aec8baeb517c3aa391fecd2136ab4a1d8e5fd74 (patch)
treeb9d6060d8711febf50091ceeff0cea604774427d /sound
parent57cd11e788bdf68460eedbc414be9fb4ac8d8f4c (diff)
downloadlinux-next-history-3aec8baeb517c3aa391fecd2136ab4a1d8e5fd74.tar.gz
ALSA: asihpi: Use flexible array for control cache
Store the ASIHPI control-cache lookup table in the control-cache allocation instead of allocating it separately. This keeps the lookup table tied to the cache object lifetime and removes the extra allocation and free path. Assisted-by: Codex:GPT-5.5 Signed-off-by: Rosen Penev <rosenp@gmail.com> Link: https://patch.msgid.link/20260511230121.28606-1-rosenp@gmail.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/asihpi/hpicmn.c16
-rw-r--r--sound/pci/asihpi/hpicmn.h4
2 files changed, 6 insertions, 14 deletions
diff --git a/sound/pci/asihpi/hpicmn.c b/sound/pci/asihpi/hpicmn.c
index d846777e7462b..0674fd854cc8b 100644
--- a/sound/pci/asihpi/hpicmn.c
+++ b/sound/pci/asihpi/hpicmn.c
@@ -641,17 +641,12 @@ void hpi_cmn_control_cache_sync_to_msg(struct hpi_control_cache *p_cache,
struct hpi_control_cache *hpi_alloc_control_cache(const u32 control_count,
const u32 size_in_bytes, u8 *p_dsp_control_buffer)
{
- struct hpi_control_cache *p_cache = kmalloc_obj(*p_cache);
+ struct hpi_control_cache *p_cache;
+
+ p_cache = kzalloc_flex(*p_cache, p_info, control_count);
if (!p_cache)
return NULL;
- p_cache->p_info =
- kzalloc_objs(*p_cache->p_info, control_count);
- if (!p_cache->p_info) {
- kfree(p_cache);
- return NULL;
- }
-
p_cache->cache_size_in_bytes = size_in_bytes;
p_cache->control_count = control_count;
p_cache->p_cache = p_dsp_control_buffer;
@@ -661,10 +656,7 @@ struct hpi_control_cache *hpi_alloc_control_cache(const u32 control_count,
void hpi_free_control_cache(struct hpi_control_cache *p_cache)
{
- if (p_cache) {
- kfree(p_cache->p_info);
- kfree(p_cache);
- }
+ kfree(p_cache);
}
static void subsys_message(struct hpi_message *phm, struct hpi_response *phr)
diff --git a/sound/pci/asihpi/hpicmn.h b/sound/pci/asihpi/hpicmn.h
index 8ec656cf8848c..40af7329587a1 100644
--- a/sound/pci/asihpi/hpicmn.h
+++ b/sound/pci/asihpi/hpicmn.h
@@ -37,10 +37,10 @@ struct hpi_control_cache {
u16 adap_idx;
u32 control_count;
u32 cache_size_in_bytes;
- /** pointer to allocated memory of lookup pointers. */
- struct hpi_control_cache_info **p_info;
/** pointer to DSP's control cache. */
u8 *p_cache;
+ /** pointer to allocated memory of lookup pointers. */
+ struct hpi_control_cache_info *p_info[] __counted_by(control_count);
};
struct hpi_adapter_obj *hpi_find_adapter(u16 adapter_index);