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usb: gadget: f_hid: use after free in hidg_alloc_inst()

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We free "opts" on the error path and then dereference it.

Fixes: 21a9476a7b ('usb: gadget: hid: add configfs support')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Dan Carpenter
2014-11-13 09:19:47 +03:00
committed by Felipe Balbi
parent efed421a94
commit 828f6148e8
1 changed files with 1 additions and 0 deletions
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1
drivers/usb/gadget/function/f_hid.c
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@@ -875,6 +875,7 @@ static struct usb_function_instance *hidg_alloc_inst(void)
kfree(opts);
if (idr_is_empty(&hidg_ida.idr))
ghid_cleanup();
goto unlock;
}
config_group_init_type_name(&opts->func_inst.group, "", &hid_func_type);