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| author | Andrzej Pietrasiewicz <andrzej.p@samsung.com> | 2014-11-06 10:11:56 (GMT) |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2014-11-06 22:18:17 (GMT) |
| commit | 06529407329841ed836b30e4a99905a522ffa323 (patch) | |
| tree | 4cbd13a896db04513fb85654ad0d998a2fdd8279 | |
| parent | 79018420441bbbc2b567d891fc3d12ad69f1cd5f (diff) | |
| download | linux-06529407329841ed836b30e4a99905a522ffa323.tar.xz | |
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>
| -rw-r--r-- | drivers/usb/gadget/function/f_hid.c | 4 |
1 files changed, 4 insertions, 0 deletions
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) { |