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ASoC: rsnd: check return value of init function

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Currently, this function cannot fail for the ADG case. Still, let's
apply defensive programming techniques to make sure we fail gracefully
whenever rsnd_mod_init() gets extended with another failure case.
Reported by Coverity (CID 1397893).

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Wolfram Sang 2017-02-20 22:05:07 +01:00 committed by Mark Brown
parent 34157f7bec
commit 56d2c61d61
1 changed files with 4 additions and 1 deletions
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5
sound/soc/sh/rcar/adg.c
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@ -564,6 +564,7 @@ int rsnd_adg_probe(struct rsnd_priv *priv)
struct rsnd_adg *adg;
struct device *dev = rsnd_priv_to_dev(priv);
struct device_node *np = dev->of_node;
int ret;
adg = devm_kzalloc(dev, sizeof(*adg), GFP_KERNEL);
if (!adg) {
@ -571,8 +572,10 @@ int rsnd_adg_probe(struct rsnd_priv *priv)
return -ENOMEM;
}
rsnd_mod_init(priv, &adg->mod, &adg_ops,
ret = rsnd_mod_init(priv, &adg->mod, &adg_ops,
NULL, NULL, 0, 0);
if (ret)
return ret;
rsnd_adg_get_clkin(priv, adg);
rsnd_adg_get_clkout(priv, adg);