On Thu 04 Jun 2020 at 19:12, Colin King colin.king@canonical.com wrote:

From: Colin Ian King colin.king@canonical.com

Currently if the allocation of ldata fails the error return path does not kfree the allocated links object. Fix this by adding an error exit return path that performs the necessary kfree'ing.

Addresses-Coverity: ("Resource leak") Fixes: 7864a79f37b5 ("ASoC: meson: add axg sound card support") Signed-off-by: Colin Ian King colin.king@canonical.com

Looks good, Thx

Acked-by: Jerome Brunet jbrunet@baylibre.com

---

sound/soc/meson/meson-card-utils.c | 17 ++++++++++++----- 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/sound/soc/meson/meson-card-utils.c b/sound/soc/meson/meson-card-utils.c index 2ca8c98e204f..5a4a91c88734 100644 --- a/sound/soc/meson/meson-card-utils.c +++ b/sound/soc/meson/meson-card-utils.c @@ -49,19 +49,26 @@ int meson_card_reallocate_links(struct snd_soc_card *card, links = krealloc(priv->card.dai_link, num_links * sizeof(*priv->card.dai_link), GFP_KERNEL | __GFP_ZERO);

• if (!links)

• goto err_links;
  

• ldata = krealloc(priv->link_data, num_links * sizeof(*priv->link_data), GFP_KERNEL | __GFP_ZERO);

• if (!links || !ldata) {

• dev_err(priv->card.dev, "failed to allocate links\n");
  

• return -ENOMEM;
  

• }

• if (!ldata)

• goto err_ldata;
  
  

  priv->card.dai_link = links; priv->link_data = ldata; priv->card.num_links = num_links; return 0;

+err_ldata:

• kfree(links);

+err_links:

• dev_err(priv->card.dev, "failed to allocate links\n");
• return -ENOMEM;

} EXPORT_SYMBOL_GPL(meson_card_reallocate_links);