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39 lines
1.2 KiB
Diff
39 lines
1.2 KiB
Diff
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From 597b1ae4e29ecbc40dc21ea3646f5ee1ee61932e Mon Sep 17 00:00:00 2001
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From: Karthikeyan Mani <kmani@codeaurora.org>
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Date: Wed, 7 Dec 2016 18:19:31 -0800
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Subject: ASoC: wcd9320: Fix out of bounds for mad input value
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Add check in taiko_mad_input_put function to
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return error on out of bounds access using
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mad input value
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CRs-fixed: 1096799
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Change-Id: I75ce9e881cf05a50e874a555b2f8bd3286cdaed4
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Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>
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---
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sound/soc/codecs/wcd9320.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/sound/soc/codecs/wcd9320.c b/sound/soc/codecs/wcd9320.c
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index 697a1b6..ee4af87 100644
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--- a/sound/soc/codecs/wcd9320.c
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+++ b/sound/soc/codecs/wcd9320.c
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@@ -1204,6 +1204,14 @@ static int taiko_mad_input_put(struct snd_kcontrol *kcontrol,
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taiko_mad_input = ucontrol->value.integer.value[0];
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+ if (taiko_mad_input >= ARRAY_SIZE(taiko_conn_mad_text)) {
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+ dev_err(codec->dev,
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+ "%s: taiko_mad_input = %d out of bounds\n",
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+ __func__, taiko_mad_input);
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+ return -EINVAL;
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+ }
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+
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+
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micb_4_int_reg = taiko->resmgr.reg_addr->micb_4_int_rbias;
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pr_debug("%s: taiko_mad_input = %s\n", __func__,
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taiko_conn_mad_text[taiko_mad_input]);
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--
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cgit v1.1
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