On Mon, Apr 27, 2020 at 03:49:27PM +0300, amirmizi6@xxxxxxxxx wrote: > From: Amir Mizinski <amirmizi6@xxxxxxxxx> > > Using this function while reading/writing data resulted in an aborted > operation. > After investigating the issue according to the TCG TPM Profile (PTP) > Specifications, I found that "request to cancel" should occur only if > TPM_STS.commandReady bit is lit. > Note that i couldn't find a case where the present condition > (in the linux kernel) is valid, so I'm removing the case for > "TPM_VID_WINBOND" since we have no need for it. > > Also, the default comparison is wrong. Only cmdReady bit needs to be > compared instead of the full lower status register byte. > > Fixes: 1f86605 (tpm: Fix cancellation of TPM commands (polling mode)) Needs to have exactly 12 hex digits of the hash. /Jarkko
