From: Kuninori Morimoto Date: Mon, 10 Feb 2020 03:14:26 +0000 (+0900) Subject: ASoC: soc-pcm: don't use bit-OR'ed error X-Git-Tag: v5.15~2585^2~226^2~210 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e82ebffce3ec07584bcc2fc4c4d33a43fd9515f5;p=platform%2Fkernel%2Flinux-starfive.git ASoC: soc-pcm: don't use bit-OR'ed error Current soc-pcm is using bit-OR'ed error ret |= snd_soc_component_close(component, substream); ret |= snd_soc_component_hw_free(component, substream); The driver may return arbitrary error codes so they can conflict. The bit-OR'ed error works only if the return code is always consistent. This patch fixup it, and use *last* ret value. Signed-off-by: Kuninori Morimoto Link: https://lore.kernel.org/r/877e0vceyc.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown --- diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c index 7a490c0..8d8ed47 100644 --- a/sound/soc/soc-pcm.c +++ b/sound/soc/soc-pcm.c @@ -498,13 +498,16 @@ static int soc_pcm_components_close(struct snd_pcm_substream *substream, { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_component *component; - int i, ret = 0; + int i, r, ret = 0; for_each_rtd_components(rtd, i, component) { if (component == last) break; - ret |= snd_soc_component_close(component, substream); + r = snd_soc_component_close(component, substream); + if (r < 0) + ret = r; /* use last ret */ + snd_soc_component_module_put_when_close(component); } @@ -798,13 +801,15 @@ static int soc_pcm_components_hw_free(struct snd_pcm_substream *substream, { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_component *component; - int i, ret = 0; + int i, r, ret = 0; for_each_rtd_components(rtd, i, component) { if (component == last) break; - ret |= snd_soc_component_hw_free(component, substream); + r = snd_soc_component_hw_free(component, substream); + if (r < 0) + ret = r; /* use last ret */ } return ret;