The ec_command_inptr() function returns negative error codes or the number of bytes that it was able to read. The cros_ec_get_sku_id() function should return negative error codes. Right now it returns positive error codes or negative byte counts.

Signed-off-by: Dan Carpenter dan.carpenter@linaro.org --- drivers/misc/cros_ec.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/cros_ec.c b/drivers/misc/cros_ec.c index 621d1752176a..9c1e6a5e3e70 100644 --- a/drivers/misc/cros_ec.c +++ b/drivers/misc/cros_ec.c @@ -1100,8 +1100,11 @@ int cros_ec_get_sku_id(struct udevice *dev)

ret = ec_command_inptr(dev, EC_CMD_GET_SKU_ID, 0, NULL, 0, (uint8_t **)&r, sizeof(*r)); - if (ret != sizeof(*r)) - return -ret; + if (ret != sizeof(*r)) { + if (ret >= 0) + ret = -EIO; + return ret; + }

return r->sku_id; }