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ASoC: rockchip-i2s: fix infinite loop in rockchip_snd_rxctrl
author
Jianqun
<jay.xu@rock-chips.com>
Wed, 29 Oct 2014 09:45:51 +0000
(17:45 +0800)
committer
Mark Brown
<broonie@kernel.org>
Wed, 29 Oct 2014 10:17:25 +0000
(10:17 +0000)
We can get into an infinite loop if the I2S_CLR register fails to
clear due to a missing break statement, so add that.
Signed-off-by: Jianqun <jay.xu@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Cc: stable@vger.kernel.org
sound/soc/rockchip/rockchip_i2s.c
patch
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diff --git
a/sound/soc/rockchip/rockchip_i2s.c
b/sound/soc/rockchip/rockchip_i2s.c
index
f373e37
..
c74ba37
100644
(file)
--- a/
sound/soc/rockchip/rockchip_i2s.c
+++ b/
sound/soc/rockchip/rockchip_i2s.c
@@
-154,8
+154,10
@@
static void rockchip_snd_rxctrl(struct rk_i2s_dev *i2s, int on)
while (val) {
regmap_read(i2s->regmap, I2S_CLR, &val);
retry--;
- if (!retry)
+ if (!retry)
{
dev_warn(i2s->dev, "fail to clear\n");
+ break;
+ }
}
}
}