From: Zhen Lei <thunder.leizhen@huawei.com>
To: Peter Huewe <peterhuewe@gmx.de>,
Jarkko Sakkinen <jarkko@kernel.org>,
Jason Gunthorpe <jgg@ziepe.ca>,
James Bottomley <James.Bottomley@HansenPartnership.com>,
linux-integrity <linux-integrity@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Subject: [PATCH 1/1] tpm: fix error return code in tpm2_get_cc_attrs_tbl()
Date: Sat, 8 May 2021 10:54:44 +0800 [thread overview]
Message-ID: <20210508025444.1977-1-thunder.leizhen@huawei.com> (raw)
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Fixes: 58472f5cd4f6("tpm: validate TPM 2.0 commands")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
drivers/char/tpm/tpm2-cmd.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index eff1f12d981a..c84d23951219 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -656,6 +656,7 @@ int tpm2_get_cc_attrs_tbl(struct tpm_chip *chip)
if (nr_commands !=
be32_to_cpup((__be32 *)&buf.data[TPM_HEADER_SIZE + 5])) {
+ rc = -EFAULT;
tpm_buf_destroy(&buf);
goto out;
}
--
2.25.1
next reply other threads:[~2021-05-08 2:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-08 2:54 Zhen Lei [this message]
2021-05-09 20:41 ` [PATCH 1/1] tpm: fix error return code in tpm2_get_cc_attrs_tbl() Jarkko Sakkinen
2021-05-12 1:12 ` Leizhen (ThunderTown)
2021-05-12 1:21 ` Jarkko Sakkinen
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