Re: linux-next: build failure after merge of the modules tree

[Rusty Russell]

Stanislaw Gruszka <sgruszka@xxxxxxxxxx> writes:

> On Mon, Nov 26, 2012 at 03:10:46PM +1100, Stephen Rothwell wrote:
>> After merging the modules tree, today's linux-next build (x86_64
>> allmodconfig) failed like this:
>> 
>> drivers/net/wireless/iwlwifi/iwl-drv.c:1196:1: error: invalid suffix "n_disabletype__8" on integer constant
>> drivers/net/wireless/iwlwifi/iwl-drv.c:1196:1: error: expected identifier or '(' before numeric constant
>> drivers/net/wireless/iwlwifi/iwl-drv.c:1198:1: error: invalid suffix "n_disable__9" on integer constant
>> drivers/net/wireless/iwlwifi/iwl-drv.c:1198:1: error: expected identifier or '(' before numeric constant
>> drivers/net/wireless/iwlwifi/iwl-drv.c:1263:1: error: invalid suffix "ghz_disabletype__32" on integer constant
>> drivers/net/wireless/iwlwifi/iwl-drv.c:1263:1: error: expected identifier or '(' before numeric constant
>> drivers/net/wireless/iwlwifi/iwl-drv.c:1264:1: error: invalid suffix "ghz_disable__33" on integer constant
>> drivers/net/wireless/iwlwifi/iwl-drv.c:1264:1: error: expected identifier or '(' before numeric constant
>> drivers/net/wireless/iwlegacy/4965-mac.c:6825:1: error: invalid suffix "n_disabletype__11" on integer constant
>> drivers/net/wireless/iwlegacy/4965-mac.c:6825:1: error: expected identifier or '(' before numeric constant
>> drivers/net/wireless/iwlegacy/4965-mac.c:6826:1: error: invalid suffix "n_disable__12" on integer constant
>> drivers/net/wireless/iwlegacy/4965-mac.c:6826:1: error: expected identifier or '(' before numeric constant
>> 
>> Presumably caused by commit 58876af0436e ("moduleparam: use __UNIQUE_ID
>> ()").  This commit removed the "__mod_" prefix that used to be added to
>> the front of the "name" passed to module_param_named().  Admittedly, the
>> documentation says that "name" must be "a valid C identifier which is the
>> parameter name", but the (ab)usage here used to work (the name starts
>> with a number).
>
> I prefer not to change module parameters name, since there are users
> who use current name in they modprobe config.
>
> Stanislaw

Yes, the names can't be changed.

Here's the patch I've applied, which fixes it: