Re: [PATCH 1/2] tpm: Fix error handling in async work

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On Mon, Dec 20, 2021 at 01:16:59PM -0800, Tadeusz Struk wrote:
> When an invalid (non exitsinting) handle is used in a tpm command,
> that uses the resource manager interface (/dev/tpmrm0) the resource
> manager tries to load it from its internal cache, but fails and
> returns an -EINVAL error to the caller. The existing async handler
> doesn't handle these error cases currently and the condition in the
> poll handler never returns mask with EPOLLIN set causing the userspace
> code to get stack. Make sure that error conditions also contribute
> to the poll mask so that a correct error code could passed back
> to the caller.

Can you instead describe a failure scenario? This is very cryptic.

/Jarkko



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