ASoC: dapm: Use WARN_ON() instead of BUG_ON()

Leaving BUG_ON() in a core layer like dapm is rather inappropriate as
it leads to panic(), even though sanity checks might be still useful
for debugging.
Instead, Use WARN_ON(), and handle the error cases accordingly.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 8 insertions, 6 deletions

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index 974a4ce14239..47dfe17ed4e8 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -1444,7 +1444,7 @@ static void dapm_seq_run_coalesced(struct snd_soc_card *card,
                                power_list)->reg;
 
         list_for_each_entry(w, pending, power_list) {
-                BUG_ON(reg != w->reg);
+                WARN_ON(reg != w->reg);
                 w->power = w->new_power;
 
                 mask |= w->mask << w->shift;
@@ -3329,8 +3329,9 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
         u64 fmt;
         int ret;
 
-        BUG_ON(!config);
-        BUG_ON(list_empty(&w->sources) || list_empty(&w->sinks));
+        if (WARN_ON(!config) ||
+            WARN_ON(list_empty(&w->sources) || list_empty(&w->sinks)))
+                return -EINVAL;
 
         /* We only support a single source and sink, pick the first */
         source_p = list_first_entry(&w->sources, struct snd_soc_dapm_path,
@@ -3338,9 +3339,10 @@ static int snd_soc_dai_link_event(struct snd_soc_dapm_widget *w,
         sink_p = list_first_entry(&w->sinks, struct snd_soc_dapm_path,
                                   list_source);
 
-        BUG_ON(!source_p || !sink_p);
-        BUG_ON(!sink_p->source || !source_p->sink);
-        BUG_ON(!source_p->source || !sink_p->sink);
+        if (WARN_ON(!source_p || !sink_p) ||
+            WARN_ON(!sink_p->source || !source_p->sink) ||
+            WARN_ON(!source_p->source || !sink_p->sink))
+                return -EINVAL;
 
         source = source_p->source->priv;
         sink = sink_p->sink->priv;