diff options
Diffstat (limited to 'drivers/i2c/i2c-core-smbus.c')
| -rw-r--r-- | drivers/i2c/i2c-core-smbus.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core-smbus.c b/drivers/i2c/i2c-core-smbus.c index b5aec33002c3..f3f683041e7f 100644 --- a/drivers/i2c/i2c-core-smbus.c +++ b/drivers/i2c/i2c-core-smbus.c @@ -466,6 +466,8 @@ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr, status = i2c_transfer(adapter, msg, num); if (status < 0) return status; + if (status != num) + return -EIO; /* Check PEC if last message is a read */ if (i && (msg[num-1].flags & I2C_M_RD)) { |