From 528a82b41fda78435976c905546c3329c86bb264 Mon Sep 17 00:00:00 2001 From: Sonny Rao Date: Wed, 8 Oct 2014 00:58:51 -0700 Subject: [PATCH] ASoC: rockchip-i2s: fix infinite loop in rockchip_snd_txctrl 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 Signed-off-by: Mark Brown --- 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 033487c9a164..f373e37f8305 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; + } } } } -- 2.39.2