You cannot mark these parameters as __initdata.
Otherwise the data is gone upon module exit.
Fixes:
[ 172.045465] BUG: unable to handle kernel paging request at
ffffffffa001db38
[ 172.046020] IP: [<
ffffffff81067aa4>] destroy_params+0x24/0x50
Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
return 0;
}
-static struct kernel_param_ops ubiblock_param_ops __initdata = {
+static struct kernel_param_ops ubiblock_param_ops = {
.set = ubiblock_set_param,
};
module_param_cb(block, &ubiblock_param_ops, NULL, 0);