diff mbox

ASoC: rockchip-i2s: fix infinite loop in rockchip_snd_txctrl

Message ID 1412755131-27542-1-git-send-email-sonnyrao@chromium.org (mailing list archive)
State Accepted
Commit 29f95bd76f6ec1eff88eec6a04191104a11a7f97
Headers show

Commit Message

Sonny Rao Oct. 8, 2014, 7:58 a.m. UTC
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(-)

Comments

Mark Brown Oct. 8, 2014, 11:29 a.m. UTC | #1
On Wed, Oct 08, 2014 at 12:58:51AM -0700, Sonny Rao wrote:
> 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.
diff mbox

Patch

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;
+				}
 			}
 		}
 	}