8 Oct
2014
8 Oct
'14
9:58 a.m.
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: Sonny Rao sonnyrao@chromium.org --- 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 033487c..f373e37 100644 --- a/sound/soc/rockchip/rockchip_i2s.c +++ b/sound/soc/rockchip/rockchip_i2s.c @@ -108,8 +108,10 @@ static void rockchip_snd_txctrl(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; + } } } }
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1.8.3.2