[alsa-devel] ASoC: uninitialized variable i used in wait_for_dc_servo
Axel Lin
axel.lin at gmail.com
Thu Sep 15 04:52:34 CEST 2011
hi Mark,
I guess we need to initialize i to timeout value. comments?
diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c
index e5e4607..5aee9cb 100644
--- a/sound/soc/codecs/wm8996.c
+++ b/sound/soc/codecs/wm8996.c
@@ -713,6 +713,7 @@ static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask)
snd_soc_write(codec, WM8996_DC_SERVO_2, mask);
/* Use the interrupt if possible */
+ i = timeout;
do {
if (i2c->irq) {
timeout = wait_for_completion_timeout(&wm8996->dcs_done,
@@ -722,7 +723,7 @@ static void wait_for_dc_servo(struct snd_soc_codec *codec, u16 mask)
} else {
msleep(1);
- if (--i) {
+ if (--i == 0) {
timeout = 0;
break;
}
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