Messages in this thread | | | Date | Wed, 29 Dec 2021 01:47:45 +0200 | From | Jarkko Sakkinen <> | Subject | 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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