On 13/08/11 08:47, Emilio G. Cota wrote:
> On Fri, Aug 12, 2011 at 12:30:49 +0200, Manohar Vanga wrote:
>> + struct vme_bridge *bridge;
>> +
>> + mutex_lock(&vme_buses_lock);
>> + list_for_each_entry(bridge, &vme_bus_list, bus_list) {
>> + if (bridge->num == bus_id) {
>> + if (!bridge->owner)
>> + dev_warn(bridge->parent,
>> + "bridge->owner not set\n");
>
> Don't do this; it will throw a false warning if the kernel is
> built without module support. Note that in that case
>
> THIS_MODULE == (struct module *)0.
>
> try_module_get() and module_put() do the right thing for all
> possible configs. Trust them.
>
I can confirm that this does break when the bridge is compiled into the kernel.
Martyn
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