Since rc_allocate_device() uses kmalloc,
it can returns NULL, so need to check,
otherwise, NULL derefenrece can be happened.
Signed-off-by: Insu Yun <wuninsu@xxxxxxxxx>
---
drivers/media/rc/igorplugusb.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/media/rc/igorplugusb.c b/drivers/media/rc/igorplugusb.c
index b36e515..df37cd5 100644
--- a/drivers/media/rc/igorplugusb.c
+++ b/drivers/media/rc/igorplugusb.c
@@ -191,6 +191,8 @@ static int igorplugusb_probe(struct usb_interface *intf,
usb_make_path(udev, ir->phys, sizeof(ir->phys));
rc = rc_allocate_device();
+ if (!rc)
+ goto fail;
rc->input_name = DRIVER_DESC;
rc->input_phys = ir->phys;
usb_to_input_id(udev, &rc->input_id);
@@ -213,6 +215,7 @@ static int igorplugusb_probe(struct usb_interface *intf,
ir->rc = rc;
ret = rc_register_device(rc);
if (ret) {
+fail:
dev_err(&intf->dev, "failed to register rc device: %d", ret);
rc_free_device(rc);
usb_free_urb(ir->urb);
--
1.9.1
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