summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/i2c/i2c-core-slave.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/i2c/i2c-core-slave.c b/drivers/i2c/i2c-core-slave.c
index 5427f047faf0..549751347e6c 100644
--- a/drivers/i2c/i2c-core-slave.c
+++ b/drivers/i2c/i2c-core-slave.c
@@ -18,10 +18,8 @@ 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",