diff options
| author | Varun Wadekar <vwadekar@nvidia.com> | 2010-12-09 14:49:29 +0530 |
|---|---|---|
| committer | Bharat Nihalani <bnihalani@nvidia.com> | 2010-12-09 03:09:39 -0800 |
| commit | 2947168d5dfa642cd77ab034fc0bea69382350e2 (patch) | |
| tree | 6eaa2e7ff664e5067f57de999573b4e45f84b3b0 /drivers/i2c | |
| parent | 7dea39ba85d182d211f61b5e2532f780f64a7906 (diff) | |
i2c: return error if i2c_transfer fails in emulated smbus transfer
Bug 749251
Change-Id: Ie366cbe7d90621b99c25bc635175a69d1fd2b667
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Reviewed-on: http://git-master/r/12466
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/i2c-core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index bea4c5021d26..6a3333efa9c2 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -2015,8 +2015,8 @@ 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 -EREMOTEIO; /* Check PEC if last message is a read */ if (i && (msg[num-1].flags & I2C_M_RD)) { |