[PATCH v1 1/1] i2c: robotfuzz-osif: Propagate parent device to I2C core

From: Andy Shevchenko
Date: Fri Feb 04 2022 - 10:17:17 EST


I2C core might use parent device to retrieve properties of
the controller. Propagate parent device for that.

Fixes: 83e53a8f120f ("i2c: Add bus driver for for OSIF USB i2c device.")
Reported-by: syzbot+0591ccf54ee05344e4eb@xxxxxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/i2c/busses/i2c-robotfuzz-osif.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/i2c/busses/i2c-robotfuzz-osif.c b/drivers/i2c/busses/i2c-robotfuzz-osif.c
index 66dfa211e736..bfbfa0d07bb2 100644
--- a/drivers/i2c/busses/i2c-robotfuzz-osif.c
+++ b/drivers/i2c/busses/i2c-robotfuzz-osif.c
@@ -128,6 +128,7 @@ MODULE_DEVICE_TABLE(usb, osif_table);
static int osif_probe(struct usb_interface *interface,
const struct usb_device_id *id)
{
+ struct device *dev = &interface->dev;
int ret;
struct osif_priv *priv;
u16 version;
@@ -145,6 +146,7 @@ static int osif_probe(struct usb_interface *interface,
priv->adapter.class = I2C_CLASS_HWMON;
priv->adapter.algo = &osif_algorithm;
priv->adapter.algo_data = priv;
+ priv->adapter.dev.parent = dev;
snprintf(priv->adapter.name, sizeof(priv->adapter.name),
"OSIF at bus %03d device %03d",
priv->usb_dev->bus->busnum, priv->usb_dev->devnum);
--
2.34.1