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authorSonny Rao <sonnyrao@chromium.org>2014-10-08 00:58:51 -0700
committerMark Brown <broonie@kernel.org>2014-10-08 12:29:38 +0100
commit528a82b41fda78435976c905546c3329c86bb264 (patch)
tree77626685b580c77669c4e11e2af6ae9a403f1e32 /sound
parenta5448c88b812390a3622e76d774e10c0da1fb970 (diff)
downloadlinux-528a82b41fda78435976c905546c3329c86bb264.tar.bz2
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 <sonnyrao@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/rockchip/rockchip_i2s.c4
1 files changed, 3 insertions, 1 deletions
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;
+ }
}
}
}