# Re: \[24/30\] mwifiex: wmm: Mark 'mwifiex\_1d\_to\_wmm\_queue' as \_\_maybe\_unused

- From: Kalle Valo \<hidden\>
- Date: 2020-09-01 14:11:22 
- List: netdev
- Page: https://ratatoskr.run/netdev/2020/09/6089515
- Thread: https://ratatoskr.run/linux-wireless/2020/08/6083233/t.md

```text
Lee Jones [ref] wrote:

> 'mwifiex_1d_to_wmm_queue' is used in'; main.c, txrx.c and uap_txrx.c
> 
> ... but not used in 14 other source files which include 'wmm.h'.
> 
> Fixes the following W=1 kernel build warning(s):
> 
>  In file included from drivers/net/wireless/marvell/mwifiex/init.c:25:
>  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
>  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
>  | ^~~~~~~~~~~~~~~~~~~~~~~
>  In file included from drivers/net/wireless/marvell/mwifiex/cmdevt.c:26:
>  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
>  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
>  | ^~~~~~~~~~~~~~~~~~~~~~~
>  In file included from drivers/net/wireless/marvell/mwifiex/util.c:25:
>  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
>  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
>  | ^~~~~~~~~~~~~~~~~~~~~~~
>  In file included from drivers/net/wireless/marvell/mwifiex/wmm.c:25:
>  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
>  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
>  | ^~~~~~~~~~~~~~~~~~~~~~~
>  In file included from drivers/net/wireless/marvell/mwifiex/11n.c:25:
>  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
>  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
>  | ^~~~~~~~~~~~~~~~~~~~~~~
>  In file included from drivers/net/wireless/marvell/mwifiex/11n_aggr.c:25:
>  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
>  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
>  | ^~~~~~~~~~~~~~~~~~~~~~~
>  In file included from drivers/net/wireless/marvell/mwifiex/11n_rxreorder.c:25:
>  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
>  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
>  | ^~~~~~~~~~~~~~~~~~~~~~~
>  In file included from drivers/net/wireless/marvell/mwifiex/11n.h:25,
>  from drivers/net/wireless/marvell/mwifiex/scan.c:25:
>  drivers/net/wireless/marvell/mwifiex/wmm.h:34:18: warning: ‘mwifiex_1d_to_wmm_queue’ defined but not used [-Wunused-const-variable=]
>  34 | static const u16 mwifiex_1d_to_wmm_queue[8] = { 1, 0, 0, 1, 2, 2, 3, 3 };
>  | ^~~~~~~~~~~~~~~~~~~~~~~
> 
>  NB: Many entries - snipped for brevity.
> 
> Cc: Amitkumar Karwar <redacted>
> Cc: Ganapathi Bhat <redacted>
> Cc: Xinming Hu <redacted>
> Cc: Kalle Valo <redacted>
> Cc: "David S. Miller" <davem@davemloft.net>
> Cc: Jakub Kicinski <kuba@kernel.org>
> Cc: <redacted>
> Cc: <redacted>
> Signed-off-by: Lee Jones <redacted>

Failed to apply:

fatal: sha1 information is lacking or useless (drivers/net/wireless/marvell/mwifiex/wmm.h).
error: could not build fake ancestor
Applying: mwifiex: wmm: Mark 'mwifiex_1d_to_wmm_queue' as __maybe_unused
Patch failed at 0001 mwifiex: wmm: Mark 'mwifiex_1d_to_wmm_queue' as __maybe_unused
The copy of the patch that failed is found in: .git/rebase-apply/patch

Patch set to Changes Requested.

-- 
https://patchwork.kernel.org/patch/11737713/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

```