Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 002/177] ASoC: rsnd: check src mod pointer for rsnd_mod_id() | Date | Fri, 23 Mar 2018 10:52:10 +0100 |
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4.9-stable review patch. If anyone has any objections, please let me know.
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From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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)] |
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- sound/soc/sh/rcar/cmd.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/sound/soc/sh/rcar/cmd.c +++ b/sound/soc/sh/rcar/cmd.c @@ -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; }
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