3250 	char *kdata = NULL;  in kfd_ioctl()  local
3317 			kdata = stack_kdata;  in kfd_ioctl()
3319 			kdata = kmalloc(asize, GFP_KERNEL);  in kfd_ioctl()
3320 			if (!kdata) {  in kfd_ioctl()
3326 			memset(kdata + usize, 0, asize - usize);  in kfd_ioctl()
3330 		if (copy_from_user(kdata, (void __user *)arg, usize) != 0) {  in kfd_ioctl()
3335 		memset(kdata, 0, usize);  in kfd_ioctl()
3338 	retcode = func(filep, process, kdata);  in kfd_ioctl()
3341 		if (copy_to_user((void __user *)arg, kdata, usize) != 0)  in kfd_ioctl()
3349 	if (kdata != stack_kdata)  in kfd_ioctl()
3350 		kfree(kdata);  in kfd_ioctl()