Commit 06529407 authored Nov 06, 2014 by Andrzej Pietrasiewicz Committed by Felipe Balbi Nov 06, 2014

usb: gadget: f_hid: check return value of class_create



class_create() might fail, so check its return value and react
appropriately.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

parent 79018420

drivers/usb/gadget/function/f_hid.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -742,6 +742,10 @@ int __init ghid_setup(struct usb_gadget *g, int count)
		dev_t dev;

		hidg_class = class_create(THIS_MODULE, "hidg");
		if (IS_ERR(hidg_class)) {
		hidg_class = NULL;
		return PTR_ERR(hidg_class);
		}

		status = alloc_chrdev_region(&dev, 0, count, "hidg");
		if (!status) {