usb: typec: anx7411: Fix return value check in anx7411_register_i2c_dummy_clients()

If i2c_new_dummy_device() fails, it never return NULL pointer, replace
NULL test with IS_ERR() to fix it.

Fixes: fe6d8a9c8e64 ("usb: typec: anx7411: Add Analogix PD ANX7411 support")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20220721071201.269344-2-yangyingliang@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/typec/anx7411.c b/drivers/usb/typec/anx7411.c
index e16c2d5..7692e26 100644 (file)
--- a/drivers/usb/typec/anx7411.c
+++ b/drivers/usb/typec/anx7411.c
@@ -999,7 +999,7 @@ static int anx7411_register_i2c_dummy_clients(struct anx7411_data *ctx,
                        spi_addr = anx7411_i2c_addr[i].spi_address >> 1;
                        ctx->spi_client = i2c_new_dummy_device(client->adapter,
                                                               spi_addr);
-                       if (ctx->spi_client)
+                       if (!IS_ERR(ctx->spi_client))
                                return 0;
                }
        }