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Patch "ASoC: rsnd: check src mod pointer for rsnd_mod_id()" has been added to the 4.9-stable tree

PATCH [email protected] 1 participant 1 message Mar 22, 2018

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This is a note to let you know that I've just added the patch titled

ASoC: rsnd: check src mod pointer for rsnd_mod_id()

to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
asoc-rsnd-check-src-mod-pointer-for-rsnd_mod_id.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

Quoted 1 line

From 374503c6109e60f48fa9b11341b14466f07bd3f4 Mon Sep 17 00:00:00 2001

From: Kuninori Morimoto <[email protected]>
Date: Wed, 17 May 2017 06:50:32 +0000
Subject: ASoC: rsnd: check src mod pointer for rsnd_mod_id()

From: Kuninori Morimoto <[email protected]>

commit 374503c6109e60f48fa9b11341b14466f07bd3f4 upstream.

Without this patch, gcc 4.9.x says

    sound/soc/sh/rcar/cmd.c: In function 'rsnd_cmd_init':
    sound/soc/sh/rcar/cmd.c:85:14: warning: array subscript is below array\
	bounds [-Warray-bounds]
	data = path[rsnd_mod_id(src)] |
---
 sound/soc/sh/rcar/cmd.c |    3 +++
 1 file changed, 3 insertions(+)
sound/soc/sh/rcar/cmd.c +3 -0
@@ -82,6 +82,9 @@ static int rsnd_cmd_init(struct rsnd_mod
 			[9] = 0x2,
 		};
 
+		if (unlikely(!src))
+			return -EIO;
+
 		data = path[rsnd_mod_id(src)] |
 			cmd_case[rsnd_mod_id(src)] << 16;
 	}

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/asoc-rsnd-check-src-mod-pointer-for-rsnd_mod_id.patch