[PATCH v3 1/4] ASoC: cs35l45: Checks index of cs35l45_irqs[]

[Vlad Karpovich]

From: Ricardo Rivera-Matos <rriveram@xxxxxxxxxxxxxxxxxxxxx>

Checks the index computed by the virq offset before printing the
error condition in cs35l45_spk_safe_err() handler.

Signed-off-by: Ricardo Rivera-Matos <rriveram@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Vlad Karpovich <vkarpovi@xxxxxxxxxxxxxxxxxxxxx>
---
 sound/soc/codecs/cs35l45.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/cs35l45.c b/sound/soc/codecs/cs35l45.c
index 2ac4612402eb..02b1172d2647 100644
--- a/sound/soc/codecs/cs35l45.c
+++ b/sound/soc/codecs/cs35l45.c
@@ -1023,7 +1023,10 @@ static irqreturn_t cs35l45_spk_safe_err(int irq, void *data)
 
 	i = irq - regmap_irq_get_virq(cs35l45->irq_data, 0);
 
-	dev_err(cs35l45->dev, "%s condition detected!\n", cs35l45_irqs[i].name);
+	if (i < 0 || i >= ARRAY_SIZE(cs35l45_irqs))
+		dev_err(cs35l45->dev, "Unspecified global error condition (%d) detected!\n", irq);
+	else
+		dev_err(cs35l45->dev, "%s condition detected!\n", cs35l45_irqs[i].name);
 
 	return IRQ_HANDLED;
 }
-- 
2.25.1