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ASoC: simple-card-utils: Avoid over-allocating DLCs 

The allocation of the DAI link components (DLCs) passed the wrong
pointer to sizeof. Since simple_dai_props is much larger than
snd_soc_dai_link_component, there was no out of bounds access, only
wasted memory.

Fixes: f2138aed23 ("ASoC: simple-card-utils: enable flexible CPU/Codec/Platform")
Fixes: 050c7950fd ("ASoC: simple-card-utils: alloc dai_link information for CPU/Codec/Platform")
Reviewed-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Link: https://lore.kernel.org/r/20210805050706.46833-1-samuel@sholland.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Samuel Holland 2021-08-05 00:07:06 -05:00 committed by Mark Brown
parent f2553d4678
commit 36a9d79e5e
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 2 additions and 2 deletions
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4
sound/soc/generic/simple-card-utils.c
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@ -640,8 +640,8 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv,
cnf_num += li->num[i].codecs;
}
dais = devm_kcalloc(dev, dai_num, sizeof(*dais), GFP_KERNEL);
dlcs = devm_kcalloc(dev, dlc_num, sizeof(*dai_props), GFP_KERNEL);
dais = devm_kcalloc(dev, dai_num, sizeof(*dais), GFP_KERNEL);
dlcs = devm_kcalloc(dev, dlc_num, sizeof(*dlcs), GFP_KERNEL);
if (!dais || !dlcs)
return -ENOMEM;