diff options
| -rw-r--r-- | drivers/i2c/i2c-core-base.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 1adeebaa81b0..1ba40bb2b966 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -1845,6 +1845,9 @@ int __i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) unsigned long orig_jiffies; int ret, try; + if (WARN_ON(!msgs || num < 1)) + return -EINVAL; + if (adap->quirks && i2c_check_for_quirks(adap, msgs, num)) return -EOPNOTSUPP; |