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usb: typec: fix an IS_ERR() vs NULL bug in hd3ss3220_probe() 

The device_get_named_child_node() function doesn't return error
pointers, it returns NULL on error.

Fixes: 1c48c759ef ("usb: typec: driver for TI HD3SS3220 USB Type-C DRP port controller")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20191011185055.GA20972@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2019-10-11 21:50:55 +03:00 committed by Greg Kroah-Hartman
parent 67f195806a
commit c8dd192be8
1 changed files with 2 additions and 2 deletions
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4
drivers/usb/typec/hd3ss3220.c
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@ -172,8 +172,8 @@ static int hd3ss3220_probe(struct i2c_client *client,
hd3ss3220_set_source_pref(hd3ss3220,
HD3SS3220_REG_GEN_CTRL_SRC_PREF_DRP_DEFAULT);
connector = device_get_named_child_node(hd3ss3220->dev, "connector");
if (IS_ERR(connector))
return PTR_ERR(connector);
if (!connector)
return -ENODEV;
hd3ss3220->role_sw = fwnode_usb_role_switch_get(connector);
fwnode_handle_put(connector);