diff options
| -rw-r--r-- | include/sound/core.h | 2 | ||||
| -rw-r--r-- | sound/core/init.c | 7 |
2 files changed, 6 insertions, 3 deletions
diff --git a/include/sound/core.h b/include/sound/core.h index 4093ec82a0a1..4bb76c21c956 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -148,6 +148,8 @@ struct snd_card { struct snd_mixer_oss *mixer_oss; int mixer_oss_change_count; #endif + + unsigned char private_data_area[] __aligned(__alignof__(unsigned long long)); }; #define dev_to_snd_card(p) container_of(p, struct snd_card, card_dev) diff --git a/sound/core/init.c b/sound/core/init.c index 0c316189e947..2408160b8ea1 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -181,7 +181,7 @@ int snd_card_new(struct device *parent, int idx, const char *xid, if (extra_size < 0) extra_size = 0; - card = kzalloc(sizeof(*card) + extra_size, GFP_KERNEL); + card = kzalloc_flex(*card, private_data_area, extra_size); if (!card) return -ENOMEM; @@ -232,7 +232,8 @@ int snd_devm_card_new(struct device *parent, int idx, const char *xid, int err; *card_ret = NULL; - card = devres_alloc(__snd_card_release, sizeof(*card) + extra_size, + card = devres_alloc(__snd_card_release, + struct_size(card, private_data_area, extra_size), GFP_KERNEL); if (!card) return -ENOMEM; @@ -280,7 +281,7 @@ static int snd_card_init(struct snd_card *card, struct device *parent, int err; if (extra_size > 0) - card->private_data = (char *)card + sizeof(struct snd_card); + card->private_data = card->private_data_area; if (xid) strscpy(card->id, xid, sizeof(card->id)); err = 0; |