class_create() might fail, so check its return value and react
appropriately.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@xxxxxxxxxxx>
---
drivers/usb/gadget/function/f_hid.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c
index 59ab62c..f3b3e19 100644
--- a/drivers/usb/gadget/function/f_hid.c
+++ b/drivers/usb/gadget/function/f_hid.c
@@ -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) {
--
1.9.1
--
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