Hi Wolfram,
Reviewed-by: Alain Volmat <alain.volmat@xxxxxx>
Alain
On Sat, Jul 25, 2020 at 09:50:53PM +0200, Wolfram Sang wrote:
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/i2c/i2c-core-slave.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/i2c/i2c-core-slave.c b/drivers/i2c/i2c-core-slave.c
> index 549751347e6c..1589179d5eb9 100644
> --- a/drivers/i2c/i2c-core-slave.c
> +++ b/drivers/i2c/i2c-core-slave.c
> @@ -58,6 +58,9 @@ int i2c_slave_unregister(struct i2c_client *client)
> {
> int ret;
>
> + if (IS_ERR_OR_NULL(client))
> + return -EINVAL;
> +
> if (!client->adapter->algo->unreg_slave) {
> dev_err(&client->dev, "%s: not supported by adapter\n", __func__);
> return -EOPNOTSUPP;
> --
> 2.20.1
>
