The earlier bug fix misplaced the error-label when dealing with the tpm2_create_primary() return value, which the original completely ignored.
Cc: stable@vger.kernel.org Reported-by: Christoph Anton Mitterer calestyo@scientia.org Closes: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1087331 Fixes: cc7d8594342a ("tpm: Rollback tpm2_load_null()") Signed-off-by: Jarkko Sakkinen jarkko@kernel.org --- drivers/char/tpm/tpm2-sessions.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/char/tpm/tpm2-sessions.c b/drivers/char/tpm/tpm2-sessions.c index a7c1b162251b..b70165b588ec 100644 --- a/drivers/char/tpm/tpm2-sessions.c +++ b/drivers/char/tpm/tpm2-sessions.c @@ -953,10 +953,13 @@ static int tpm2_load_null(struct tpm_chip *chip, u32 *null_key) /* Deduce from the name change TPM interference: */ dev_err(&chip->dev, "null key integrity check failed\n"); tpm2_flush_context(chip, tmp_null_key); - chip->flags |= TPM_CHIP_FLAG_DISABLE;
err: - return rc ? -ENODEV : 0; + if (rc) { + chip->flags |= TPM_CHIP_FLAG_DISABLE; + rc = -ENODEV; + } + return rc; }
/**