[PATCH 6.10 626/634] tpm: export tpm2_sessions_init() to fix ibmvtpm building

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6.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Kexy Biscuit <kexybiscuit@xxxxxxx>

commit f168c000d27f8134160d4a52dfc474a948a3d7e9 upstream.

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>
Reviewed-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
Reviewed-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
Signed-off-by: Jarkko Sakkinen <jarkko@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 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 */
-- 
2.46.2







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