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Re: missing bus_dmamap_unload() in mpt_timeout()?

On Sun, Nov 24, 2013 at 06:44:32PM +0100, Edgar Fuß wrote:
> Further digging through mpt(4)'s timeout handling, I'm getting the impression 
> that there's a missing bus_dmamap_unload() for the data buffer 
> (for xs->datalen != 0).
> However, I neither know whether that's doing any harm nor what happens in 
> case 
> the IOC is still using the buffer.

You shouln't bus_dmamap_unload() before stopping the IOC. But a missing
bus_dmamap_unload() can lead to memory leak.

Manuel Bouyer <>
     NetBSD: 26 ans d'experience feront toujours la difference

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