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Message-Id: <20140304200347.678254187@linuxfoundation.org>
Date:	Tue,  4 Mar 2014 12:04:03 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Takashi Iwai <tiwai@...e.de>,
	Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Mark Brown <broonie@...aro.org>
Subject: [PATCH 3.10 50/97] ASoC: sta32x: Fix array access overflow

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Takashi Iwai <tiwai@...e.de>

commit 025c3fa9256d4c54506b7a29dc3befac54f5c68d upstream.

Preset EQ enum of sta32x codec driver declares too many number of
items and it may lead to the access over the actual array size.

Use SOC_ENUM_SINGLE_DECL() helper and it's automatically fixed.

Signed-off-by: Takashi Iwai <tiwai@...e.de>
Acked-by: Liam Girdwood <liam.r.girdwood@...ux.intel.com>
Acked-by: Lars-Peter Clausen <lars@...afoo.de>
Signed-off-by: Mark Brown <broonie@...aro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 sound/soc/codecs/sta32x.c |   72 +++++++++++++++++++++++-----------------------
 1 file changed, 36 insertions(+), 36 deletions(-)

--- a/sound/soc/codecs/sta32x.c
+++ b/sound/soc/codecs/sta32x.c
@@ -187,42 +187,42 @@ static const unsigned int sta32x_limiter
 	13, 16, TLV_DB_SCALE_ITEM(-1500, 300, 0),
 };
 
-static const struct soc_enum sta32x_drc_ac_enum =
-	SOC_ENUM_SINGLE(STA32X_CONFD, STA32X_CONFD_DRC_SHIFT,
-			2, sta32x_drc_ac);
-static const struct soc_enum sta32x_auto_eq_enum =
-	SOC_ENUM_SINGLE(STA32X_AUTO1, STA32X_AUTO1_AMEQ_SHIFT,
-			3, sta32x_auto_eq_mode);
-static const struct soc_enum sta32x_auto_gc_enum =
-	SOC_ENUM_SINGLE(STA32X_AUTO1, STA32X_AUTO1_AMGC_SHIFT,
-			4, sta32x_auto_gc_mode);
-static const struct soc_enum sta32x_auto_xo_enum =
-	SOC_ENUM_SINGLE(STA32X_AUTO2, STA32X_AUTO2_XO_SHIFT,
-			16, sta32x_auto_xo_mode);
-static const struct soc_enum sta32x_preset_eq_enum =
-	SOC_ENUM_SINGLE(STA32X_AUTO3, STA32X_AUTO3_PEQ_SHIFT,
-			32, sta32x_preset_eq_mode);
-static const struct soc_enum sta32x_limiter_ch1_enum =
-	SOC_ENUM_SINGLE(STA32X_C1CFG, STA32X_CxCFG_LS_SHIFT,
-			3, sta32x_limiter_select);
-static const struct soc_enum sta32x_limiter_ch2_enum =
-	SOC_ENUM_SINGLE(STA32X_C2CFG, STA32X_CxCFG_LS_SHIFT,
-			3, sta32x_limiter_select);
-static const struct soc_enum sta32x_limiter_ch3_enum =
-	SOC_ENUM_SINGLE(STA32X_C3CFG, STA32X_CxCFG_LS_SHIFT,
-			3, sta32x_limiter_select);
-static const struct soc_enum sta32x_limiter1_attack_rate_enum =
-	SOC_ENUM_SINGLE(STA32X_L1AR, STA32X_LxA_SHIFT,
-			16, sta32x_limiter_attack_rate);
-static const struct soc_enum sta32x_limiter2_attack_rate_enum =
-	SOC_ENUM_SINGLE(STA32X_L2AR, STA32X_LxA_SHIFT,
-			16, sta32x_limiter_attack_rate);
-static const struct soc_enum sta32x_limiter1_release_rate_enum =
-	SOC_ENUM_SINGLE(STA32X_L1AR, STA32X_LxR_SHIFT,
-			16, sta32x_limiter_release_rate);
-static const struct soc_enum sta32x_limiter2_release_rate_enum =
-	SOC_ENUM_SINGLE(STA32X_L2AR, STA32X_LxR_SHIFT,
-			16, sta32x_limiter_release_rate);
+static SOC_ENUM_SINGLE_DECL(sta32x_drc_ac_enum,
+			    STA32X_CONFD, STA32X_CONFD_DRC_SHIFT,
+			    sta32x_drc_ac);
+static SOC_ENUM_SINGLE_DECL(sta32x_auto_eq_enum,
+			    STA32X_AUTO1, STA32X_AUTO1_AMEQ_SHIFT,
+			    sta32x_auto_eq_mode);
+static SOC_ENUM_SINGLE_DECL(sta32x_auto_gc_enum,
+			    STA32X_AUTO1, STA32X_AUTO1_AMGC_SHIFT,
+			    sta32x_auto_gc_mode);
+static SOC_ENUM_SINGLE_DECL(sta32x_auto_xo_enum,
+			    STA32X_AUTO2, STA32X_AUTO2_XO_SHIFT,
+			    sta32x_auto_xo_mode);
+static SOC_ENUM_SINGLE_DECL(sta32x_preset_eq_enum,
+			    STA32X_AUTO3, STA32X_AUTO3_PEQ_SHIFT,
+			    sta32x_preset_eq_mode);
+static SOC_ENUM_SINGLE_DECL(sta32x_limiter_ch1_enum,
+			    STA32X_C1CFG, STA32X_CxCFG_LS_SHIFT,
+			    sta32x_limiter_select);
+static SOC_ENUM_SINGLE_DECL(sta32x_limiter_ch2_enum,
+			    STA32X_C2CFG, STA32X_CxCFG_LS_SHIFT,
+			    sta32x_limiter_select);
+static SOC_ENUM_SINGLE_DECL(sta32x_limiter_ch3_enum,
+			    STA32X_C3CFG, STA32X_CxCFG_LS_SHIFT,
+			    sta32x_limiter_select);
+static SOC_ENUM_SINGLE_DECL(sta32x_limiter1_attack_rate_enum,
+			    STA32X_L1AR, STA32X_LxA_SHIFT,
+			    sta32x_limiter_attack_rate);
+static SOC_ENUM_SINGLE_DECL(sta32x_limiter2_attack_rate_enum,
+			    STA32X_L2AR, STA32X_LxA_SHIFT,
+			    sta32x_limiter_attack_rate);
+static SOC_ENUM_SINGLE_DECL(sta32x_limiter1_release_rate_enum,
+			    STA32X_L1AR, STA32X_LxR_SHIFT,
+			    sta32x_limiter_release_rate);
+static SOC_ENUM_SINGLE_DECL(sta32x_limiter2_release_rate_enum,
+			    STA32X_L2AR, STA32X_LxR_SHIFT,
+			    sta32x_limiter_release_rate);
 
 /* byte array controls for setting biquad, mixer, scaling coefficients;
  * for biquads all five coefficients need to be set in one go,


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