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authorIngo Molnar <mingo@kernel.org>2020-02-24 13:36:09 +0300
committerIngo Molnar <mingo@kernel.org>2020-02-24 13:36:09 +0300
commit546121b65f47384e11ec1fa2e55449fc9f4846b2 (patch)
tree8f18470ec7c0c77b0f48eb1b2338e591b0b0aaff /drivers/mfd/dln2.c
parent000619680c3714020ce9db17eef6a4a7ce2dc28b (diff)
parentf8788d86ab28f61f7b46eb6be375f8a726783636 (diff)
downloadlinux-546121b65f47384e11ec1fa2e55449fc9f4846b2.tar.xz
Merge tag 'v5.6-rc3' into sched/core, to pick up fixes and dependent patches
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/mfd/dln2.c')
-rw-r--r--drivers/mfd/dln2.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/mfd/dln2.c b/drivers/mfd/dln2.c
index 381593fbe50f..7841c11411d0 100644
--- a/drivers/mfd/dln2.c
+++ b/drivers/mfd/dln2.c
@@ -722,6 +722,8 @@ static int dln2_probe(struct usb_interface *interface,
const struct usb_device_id *usb_id)
{
struct usb_host_interface *hostif = interface->cur_altsetting;
+ struct usb_endpoint_descriptor *epin;
+ struct usb_endpoint_descriptor *epout;
struct device *dev = &interface->dev;
struct dln2_dev *dln2;
int ret;
@@ -731,12 +733,19 @@ static int dln2_probe(struct usb_interface *interface,
hostif->desc.bNumEndpoints < 2)
return -ENODEV;
+ epin = &hostif->endpoint[0].desc;
+ epout = &hostif->endpoint[1].desc;
+ if (!usb_endpoint_is_bulk_out(epout))
+ return -ENODEV;
+ if (!usb_endpoint_is_bulk_in(epin))
+ return -ENODEV;
+
dln2 = kzalloc(sizeof(*dln2), GFP_KERNEL);
if (!dln2)
return -ENOMEM;
- dln2->ep_out = hostif->endpoint[0].desc.bEndpointAddress;
- dln2->ep_in = hostif->endpoint[1].desc.bEndpointAddress;
+ dln2->ep_out = epout->bEndpointAddress;
+ dln2->ep_in = epin->bEndpointAddress;
dln2->usb_dev = usb_get_dev(interface_to_usbdev(interface));
dln2->interface = interface;
usb_set_intfdata(interface, dln2);