return -ENOMEM;
}
- prom_getproperty(op.op_nodeid, str, tmp, len);
-
- tmp[len] = '\0';
+ cnt = prom_getproperty(op.op_nodeid, str, tmp, len);
+ if (cnt <= 0) {
+ error = -EINVAL;
+ } else {
+ tmp[len] = '\0';
- if (__copy_to_user(argp, &op, sizeof(op)) != 0
- || copy_to_user(op.op_buf, tmp, len) != 0)
- error = -EFAULT;
+ if (__copy_to_user(argp, &op, sizeof(op)) != 0 ||
+ copy_to_user(op.op_buf, tmp, len) != 0)
+ error = -EFAULT;
+ }
kfree(tmp);
kfree(str);
lock_kernel();
break;
}
+
+ return rval;
}
static int openprom_open(struct inode * inode, struct file * file)
.owner = THIS_MODULE,
.llseek = no_llseek,
.ioctl = openprom_ioctl,
+ .compat_ioctl = openprom_compat_ioctl,
.open = openprom_open,
.release = openprom_release,
};