On Tue, 29 Aug 2023 10:07:51 +0000 Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx> wrote: > On Mon, Aug 28, 2023 at 12:05:21PM -0500, Vlad Karpovich wrote: > > 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 40fb64904260..2c9b41171a05 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 > 6) > > This looks a little odd, there appear to be 8 IRQs attached to > this function whereas this says 6. Also this check seems like > it will be hard to keep in sync as things change. > > Assuming this error check is actually necessary, would it be > perhaps better to check i is smaller than ARRAY_SIZE(cs35l45_irqs) > and check that the attached function is cs35l45_spk_safe_err. > That should be more robust against future changes to the IRQs. > > Thanks, > Charles Thank you. It was picked up from a different branch,I will change to ARRAY_SIZE. -- Vlad Karpovich <vkarpovi@xxxxxxxxxxxxxxxxxxxxx>
