From: Dan Carpenter Date: Sat, 9 Dec 2017 11:52:28 +0000 (+0300) Subject: ASoC: nuc900: Fix a loop timeout test X-Git-Tag: v4.14.28~10 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b45ccc79b04afad1f2c95f9fde7b9dded1ff961c;p=platform%2Fkernel%2Flinux-exynos.git ASoC: nuc900: Fix a loop timeout test [ Upstream commit 65a12b3aafed5fc59f4ce41b22b752b1729e6701 ] We should be finishing the loop with timeout set to zero but because this is a post-op we finish with timeout == -1. Fixes: 1082e2703a2d ("ASoC: NUC900/audio: add nuc900 audio driver support") Signed-off-by: Dan Carpenter Signed-off-by: Mark Brown Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- diff --git a/sound/soc/nuc900/nuc900-ac97.c b/sound/soc/nuc900/nuc900-ac97.c index b6615af..fde974d 100644 --- a/sound/soc/nuc900/nuc900-ac97.c +++ b/sound/soc/nuc900/nuc900-ac97.c @@ -67,7 +67,7 @@ static unsigned short nuc900_ac97_read(struct snd_ac97 *ac97, /* polling the AC_R_FINISH */ while (!(AUDIO_READ(nuc900_audio->mmio + ACTL_ACCON) & AC_R_FINISH) - && timeout--) + && --timeout) mdelay(1); if (!timeout) { @@ -121,7 +121,7 @@ static void nuc900_ac97_write(struct snd_ac97 *ac97, unsigned short reg, /* polling the AC_W_FINISH */ while ((AUDIO_READ(nuc900_audio->mmio + ACTL_ACCON) & AC_W_FINISH) - && timeout--) + && --timeout) mdelay(1); if (!timeout)