diff options
Diffstat (limited to 'drivers/i2c')
-rw-r--r-- | drivers/i2c/i2c-core-slave.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/i2c/i2c-core-slave.c b/drivers/i2c/i2c-core-slave.c index 47a9f70a24a9..88959c8580ce 100644 --- a/drivers/i2c/i2c-core-slave.c +++ b/drivers/i2c/i2c-core-slave.c @@ -22,10 +22,8 @@ int i2c_slave_register(struct i2c_client *client, i2c_slave_cb_t slave_cb) { int ret; - if (!client || !slave_cb) { - WARN(1, "insufficient data\n"); + if (WARN(IS_ERR_OR_NULL(client) || !slave_cb, "insufficient data\n")) return -EINVAL; - } if (!(client->flags & I2C_CLIENT_SLAVE)) dev_warn(&client->dev, "%s: client slave flag not set. You might see address collisions\n", |