commit db4d8cb9c9f2af71c4d087817160d866ed572cc9 upstream This backport is for v4.14 and v4.19 The backport requires non-racy behaviour from TPM 1.x sysfs code. Thus, the dependecies for that are included. NOTE: 1/3 is only needed for v4.14. Cc: linux-integrity@xxxxxxxxxxxxxxx Cc: Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Vadim Sukhomlinov <sukhomlinov@xxxxxxxxxx> Link: https://lore.kernel.org/stable/20190712152734.GA13940@xxxxxxxxx/ Jarkko Sakkinen (2): tpm: migrate pubek_show to struct tpm_buf tpm: use tpm_try_get_ops() in tpm-sysfs.c. Vadim Sukhomlinov (1): tpm: Fix TPM 1.2 Shutdown sequence to prevent future TPM operations drivers/char/tpm/tpm-chip.c | 3 + drivers/char/tpm/tpm-sysfs.c | 201 +++++++++++++++++++++-------------- drivers/char/tpm/tpm.h | 13 --- 3 files changed, 124 insertions(+), 93 deletions(-) -- 2.20.1