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

[Sonny Rao]

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 <***@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;
+ }
}
}
}

[Mark Brown]

Post by Sonny Rao
We can get into an infinite loop if the I2S_CLR register fails to
clear due to a missing break statement, so add that.

Applied, thanks.