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| author |   Sonny Rao <sonnyrao@chromium.org> | 2014-10-08 00:58:51 -0700 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2014-10-08 12:29:38 +0100 |
| commit | 528a82b41fda78435976c905546c3329c86bb264 (patch) | |
| tree | 77626685b580c77669c4e11e2af6ae9a403f1e32 /sound | |
| parent | Merge remote-tracking branches 'asoc/topic/txx9', 'asoc/topic/wm8978' and 'asoc/topic/wm8994' into asoc-next (diff) | |
| download | linux-dev-528a82b41fda78435976c905546c3329c86bb264.tar.xz linux-dev-528a82b41fda78435976c905546c3329c86bb264.zip | |
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.c | 4 |
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; + } } } } |