On Thu Sep 5, 2024 at 11:52 AM EEST, Kexy Biscuit wrote: > Commit 08d08e2e9f0a ("tpm: ibmvtpm: Call tpm2_sessions_init() to > initialize session support") adds call to tpm2_sessions_init() in ibmvtpm, > which could be built as a module. However, tpm2_sessions_init() wasn't > exported, causing libmvtpm to fail to build as a module: > > ERROR: modpost: "tpm2_sessions_init" [drivers/char/tpm/tpm_ibmvtpm.ko] undefined! > > Export tpm2_sessions_init() to resolve the issue. > > Cc: stable@xxxxxxxxxxxxxxx # v6.10+ > Reported-by: kernel test robot <lkp@xxxxxxxxx> > Closes: https://lore.kernel.org/oe-kbuild-all/202408051735.ZJkAPQ3b-lkp@xxxxxxxxx/ > Fixes: 08d08e2e9f0a ("tpm: ibmvtpm: Call tpm2_sessions_init() to initialize session support") > Signed-off-by: Kexy Biscuit <kexybiscuit@xxxxxxx> > Signed-off-by: Mingcong Bai <jeffbai@xxxxxxx> > --- > V1 -> V2: Added Fixes tag and fixed email format > RESEND: The previous email was sent directly to stable-rc review > > drivers/char/tpm/tpm2-sessions.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/char/tpm/tpm2-sessions.c b/drivers/char/tpm/tpm2-sessions.c > index d3521aadd43e..44f60730cff4 100644 > --- a/drivers/char/tpm/tpm2-sessions.c > +++ b/drivers/char/tpm/tpm2-sessions.c > @@ -1362,4 +1362,5 @@ int tpm2_sessions_init(struct tpm_chip *chip) > > return rc; > } > +EXPORT_SYMBOL(tpm2_sessions_init); > #endif /* CONFIG_TCG_TPM2_HMAC */ Reviewed-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx> BR, Jarkko