The newly added vtpmx driver fails to build if CONFIG_ANON_INODES is disabled:
drivers/char/built-in.o: In function `vtpmx_fops_ioctl': (.text+0x97f8): undefined reference to `anon_inode_getfile' This adds a Kconfig 'select' statement to ensure it's always there when we need it. Signed-off-by: Arnd Bergmann <[email protected]> Fixes: 794c38e01358 ("tpm: Proxy driver for supporting multiple emulated TPMs") --- drivers/char/tpm/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig index 0eac596e33d1..bfdc5c0486aa 100644 --- a/drivers/char/tpm/Kconfig +++ b/drivers/char/tpm/Kconfig @@ -125,6 +125,7 @@ config TCG_CRB config TCG_VTPM_PROXY tristate "VTPM Proxy Interface" depends on TCG_TPM + select ANON_INODES ---help--- This driver proxies for an emulated TPM (vTPM) running in userspace. A device /dev/vtpmx is provided that creates a device pair -- 2.7.0

