diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/w1/slaves/w1_ds28e17.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/w1/slaves/w1_ds28e17.c b/drivers/w1/slaves/w1_ds28e17.c index e53bc41bde3c..b638963d4b59 100644 --- a/drivers/w1/slaves/w1_ds28e17.c +++ b/drivers/w1/slaves/w1_ds28e17.c @@ -389,6 +389,10 @@ static int w1_f19_i2c_master_transfer(struct i2c_adapter *adapter, * another simple read in that case. */ if (msgs[i+1].flags & I2C_M_RECV_LEN) { + if (msgs[i+1].buf[0] > I2C_SMBUS_BLOCK_MAX) { + i = -EPROTO; + goto error; + } result = w1_f19_i2c_read(sl, msgs[i+1].addr, &(msgs[i+1].buf[1]), msgs[i+1].buf[0]); if (result < 0) { @@ -415,6 +419,10 @@ static int w1_f19_i2c_master_transfer(struct i2c_adapter *adapter, * another simple read in that case. */ if (msgs[i].flags & I2C_M_RECV_LEN) { + if (msgs[i].buf[0] > I2C_SMBUS_BLOCK_MAX) { + i = -EPROTO; + goto error; + } result = w1_f19_i2c_read(sl, msgs[i].addr, &(msgs[i].buf[1]), |