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| author | Zhihao Cheng <chengzhihao1@huawei.com> | 2021-04-09 04:12:01 +0300 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko@kernel.org> | 2021-04-14 16:30:30 +0300 |
| commit | 3d785d73b4c1014839d9f9af0ee526f8d5706a73 (patch) | |
| tree | dbef008143b3b83b09e9ca4cc66bdb713868030a /drivers/char | |
| parent | 9d53913fad3ee800d0067c39881a86a5eb739ae3 (diff) | |
| download | linux-3d785d73b4c1014839d9f9af0ee526f8d5706a73.tar.xz | |
char: tpm: fix error return code in tpm_cr50_i2c_tis_recv()
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Fixes: 3a253caaad11 ("char: tpm: add i2c driver for cr50")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/tpm/tpm_tis_i2c_cr50.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/char/tpm/tpm_tis_i2c_cr50.c b/drivers/char/tpm/tpm_tis_i2c_cr50.c index ec9a65e7887d..f19c227d20f4 100644 --- a/drivers/char/tpm/tpm_tis_i2c_cr50.c +++ b/drivers/char/tpm/tpm_tis_i2c_cr50.c @@ -483,6 +483,7 @@ static int tpm_cr50_i2c_tis_recv(struct tpm_chip *chip, u8 *buf, size_t buf_len) expected = be32_to_cpup((__be32 *)(buf + 2)); if (expected > buf_len) { dev_err(&chip->dev, "Buffer too small to receive i2c data\n"); + rc = -E2BIG; goto out_err; } |