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ASoC: wcd9330: Fix out of bounds for mad input value

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Add check in tomtom_mad_input_put function to
return error on out of bounds access using
mad input value.

CRs-fixed: 1096799
Change-Id: Ied86bf88301e555b25eaa190d2d786cdad691ccd
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>
This commit is contained in:
Karthikeyan Mani 2016-12-07 17:39:55 -08:00
parent 3c45c2a8a2
commit d1caf46af5
1 changed files with 7 additions and 0 deletions
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7
sound/soc/codecs/wcd9330.c
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@ -1536,6 +1536,13 @@ static int tomtom_mad_input_put(struct snd_kcontrol *kcontrol,
tomtom_mad_input = ucontrol->value.integer.value[0];
micb_4_int_reg = tomtom->resmgr.reg_addr->micb_4_int_rbias;
if (tomtom_mad_input >= ARRAY_SIZE(tomtom_conn_mad_text)) {
dev_err(codec->dev,
"%s: tomtom_mad_input = %d out of bounds\n",
__func__, tomtom_mad_input);
return -EINVAL;
}
pr_debug("%s: tomtom_mad_input = %s\n", __func__,
tomtom_conn_mad_text[tomtom_mad_input]);