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ASoC: core: Fix obscure leak of runtime array 

We're currently not freeing card->rtd in cases where the card is
unregistered before being instantiated - convert it to devm_kzalloc() to
make sure that happens.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
This commit is contained in:
Mark Brown 2012-03-14 20:18:49 +00:00
parent 4eb98f45b7
commit 181a68927b
1 changed files with 4 additions and 4 deletions
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8
sound/soc/soc-core.c
View File

@ -1686,7 +1686,6 @@ static int soc_cleanup_card_resources(struct snd_soc_card *card)
snd_soc_dapm_free(&card->dapm); snd_soc_dapm_free(&card->dapm);
kfree(card->rtd);
snd_card_free(card->snd_card); snd_card_free(card->snd_card);
return 0; return 0;
@ -3112,9 +3111,10 @@ int snd_soc_register_card(struct snd_soc_card *card)
soc_init_card_debugfs(card); soc_init_card_debugfs(card);
card->rtd = kzalloc(sizeof(struct snd_soc_pcm_runtime) * card->rtd = devm_kzalloc(card->dev,
(card->num_links + card->num_aux_devs), sizeof(struct snd_soc_pcm_runtime) *
GFP_KERNEL); (card->num_links + card->num_aux_devs),
GFP_KERNEL);
if (card->rtd == NULL) if (card->rtd == NULL)
return -ENOMEM; return -ENOMEM;
card->rtd_aux = &card->rtd[card->num_links]; card->rtd_aux = &card->rtd[card->num_links];