Re: [PATCH] ASoC: Add a sanity check before using dai driver name

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On Wed, Aug 23, 2017 at 07:42:55AM +0800, jeffy wrote:

> i think the original check is allowing NULL dlc dai_name to be a match...
> so we basically did:
> reject when dlc dai_name is valid, but not match the dai name

So it is, but this still looks like the wrong thing - it'll match on an
empty DAI name over an explicit match on the driver name which seems
like it's the wrong way round.

> 
> and my patch is:
> accept when dlc dai_name is invalid
> accept when match dai name
> accept when match dai driver name(only when it is valid)
> 
> so it's a "if (a && b) reject" to "if (!a || !b) accept" case..
> 
> > 
> > > +			if (dai->driver->name &&
> > > +			    !strcmp(dai->driver->name, dlc->dai_name))
> > 
> 
> 

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