[PATCH] ASoC: rockchip-i2s: fix infinite loop in rockchip_snd_rxctrl

From: Jianqun
Date: Wed Oct 29 2014 - 05:46:20 EST


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@xxxxxxxxxxxxxx>
---
sound/soc/rockchip/rockchip_i2s.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index f373e37..c74ba37 100644
--- 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;
+ }
}
}
}
--
1.9.1


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