On Tue, Dec 28, 2021 at 04:08:42PM -0800, Tadeusz Struk wrote: > On 12/28/21 15:47, Jarkko Sakkinen wrote: > > > When an invalid (non existing) 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. > > The problem is that the poll call blocks and the application gets stuck > until the tpm_timeout_work() wakes it up after 120 sec (jiffies + (120 * HZ)). > I will update the description, fix all the typos, and resend it. > > Thanks, > Tadeusz OK, great, thank you. BR, Jarkko
