Message ID | 1561363813-30900-1-git-send-email-ivan.hu@canonical.com |
---|---|
Headers | show |
Series | Ubuntu 19.04's Linux kernel 5.0.0-17 has regressed TPM2 functionality | expand |
On 24.06.19 10:10, Ivan Hu wrote: > BugLink: https://bugs.launchpad.net/bugs/1833297 > > [Impact] > Most of the TPM2 commands fail to execute due to tpm2 kernel driver having async access problem. > > [Fix] > Fix an invalid poll condition. > > [Test Case] > After applied the fix patch on 19.04, the TPM2 commands tpm2_nvlist and tpm2_pcrlist worked. > > [Regression Potential] > Low, only a fix for the commit 9488585b21bef0df12 ("tpm: add support for partial reads") > > Tadeusz Struk (1): > tpm: fix an invalid condition in tpm_common_poll > > drivers/char/tpm/tpm-dev-common.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > Seems this is already committed via v5.0.10 upstream stable.