On Fri Sep 6, 2024 at 8:02 PM EEST, Stefan Berger wrote: > > > On 9/5/24 10:26 AM, Jarkko Sakkinen wrote: > > 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> > > > Would have tested it but machine is down.. > > Reviewed-by: Stefan Berger <stefanb@xxxxxxxxxxxxx> I'll add this before the PR, thank you. BR, Jarkko