Message ID | 1493628599-30552-3-git-send-email-preid@electromag.com.au (mailing list archive) |
---|---|
State | Not Applicable, archived |
Headers | show |
diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c index b272493..df0e2fa 100644 --- a/drivers/i2c/i2c-smbus.c +++ b/drivers/i2c/i2c-smbus.c @@ -151,6 +151,11 @@ static int smbalert_probe(struct i2c_client *ara, struct i2c_adapter *adapter = ara->adapter; int res; + if (!setup) { + dev_err(&adapter->dev, "setup not defined\n"); + return -ENODATA; + } + alert = devm_kzalloc(&ara->dev, sizeof(struct i2c_smbus_alert), GFP_KERNEL); if (!alert)
If platdata is not correct setup before registering the device a null ptr derefence can occur. Signed-off-by: Phil Reid <preid@electromag.com.au> --- drivers/i2c/i2c-smbus.c | 5 +++++ 1 file changed, 5 insertions(+)