From 3d785d73b4c1014839d9f9af0ee526f8d5706a73 Mon Sep 17 00:00:00 2001 From: Zhihao Cheng Date: Fri, 9 Apr 2021 09:12:01 +0800 Subject: 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 Signed-off-by: Zhihao Cheng Reviewed-by: Jarkko Sakkinen Signed-off-by: Jarkko Sakkinen --- drivers/char/tpm/tpm_tis_i2c_cr50.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/char/tpm') 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; } -- cgit