diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/az6007.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/az6007.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/az6007.c b/drivers/media/usb/dvb-usb-v2/az6007.c index 7524c90f5da6..6cbfe75791c2 100644 --- a/drivers/media/usb/dvb-usb-v2/az6007.c +++ b/drivers/media/usb/dvb-usb-v2/az6007.c @@ -788,6 +788,10 @@ static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], if (az6007_xfer_debug) printk(KERN_DEBUG "az6007: I2C W addr=0x%x len=%d\n", addr, msgs[i].len); + if (msgs[i].len < 1) { + ret = -EIO; + goto err; + } req = AZ6007_I2C_WR; index = msgs[i].buf[0]; value = addr | (1 << 8); @@ -802,6 +806,10 @@ static int az6007_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], if (az6007_xfer_debug) printk(KERN_DEBUG "az6007: I2C R addr=0x%x len=%d\n", addr, msgs[i].len); + if (msgs[i].len < 1) { + ret = -EIO; + goto err; + } req = AZ6007_I2C_RD; index = msgs[i].buf[0]; value = addr; |