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38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
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From afc5bea71bc8f251dad1104568383019f4923af6 Mon Sep 17 00:00:00 2001
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From: Karthikeyan Mani <kmani@codeaurora.org>
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Date: Wed, 14 Dec 2016 11:33:18 -0800
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Subject: ASoC: wcd9330: Fix out of bounds for mad input value
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Add check in tomtom_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: I16f8627b29c7b14a8dc0433b21aa21bf96e98905
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Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>
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---
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sound/soc/codecs/wcd9330.c | 7 +++++++
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1 file changed, 7 insertions(+)
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diff --git a/sound/soc/codecs/wcd9330.c b/sound/soc/codecs/wcd9330.c
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index 22f3f85..7fb1096 100644
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--- a/sound/soc/codecs/wcd9330.c
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+++ b/sound/soc/codecs/wcd9330.c
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@@ -1377,6 +1377,13 @@ static int tomtom_mad_input_put(struct snd_kcontrol *kcontrol,
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tomtom_mad_input = ucontrol->value.integer.value[0];
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micb_4_int_reg = tomtom->resmgr.reg_addr->micb_4_int_rbias;
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+ if (tomtom_mad_input >= ARRAY_SIZE(tomtom_conn_mad_text)) {
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+ dev_err(codec->dev,
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+ "%s: tomtom_mad_input = %d out of bounds\n",
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+ __func__, tomtom_mad_input);
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+ return -EINVAL;
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+ }
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+
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pr_debug("%s: tomtom_mad_input = %s\n", __func__,
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tomtom_conn_mad_text[tomtom_mad_input]);
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--
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cgit v1.1
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