Re: [PATCH] ath9k:remove unneeded variable in ath9k_dump_legacy_btcoex

From: Kalle Valo
Date: Wed Apr 21 2021 - 13:46:27 EST


zhangkun4jr@xxxxxxx wrote:

> From: Zhang Kun <zhangkun@xxxxxxxxxx>
>
> Remove unneeded variable 'len' in ath9k_dump_legacy_btcoex.
>
> Signed-off-by: Zhang Kun <zhangkun@xxxxxxxxxx>

This fails to compile. Always build check your patches!

In file included from drivers/net/wireless/ath/ath9k/gpio.c:17:
drivers/net/wireless/ath/ath9k/gpio.c: In function 'ath9k_dump_legacy_btcoex':
drivers/net/wireless/ath/ath9k/ath9k.h:763:3: error: 'len' undeclared (first use in this function)
763 | len += scnprintf(buf + len, size - len, \
| ^~~
drivers/net/wireless/ath/ath9k/gpio.c:501:2: note: in expansion of macro 'ATH_DUMP_BTCOEX'
501 | ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type);
| ^~~~~~~~~~~~~~~
drivers/net/wireless/ath/ath9k/ath9k.h:763:3: note: each undeclared identifier is reported only once for each function it appears in
763 | len += scnprintf(buf + len, size - len, \
| ^~~
drivers/net/wireless/ath/ath9k/gpio.c:501:2: note: in expansion of macro 'ATH_DUMP_BTCOEX'
501 | ATH_DUMP_BTCOEX("Stomp Type", btcoex->bt_stomp_type);
| ^~~~~~~~~~~~~~~
make[5]: *** [drivers/net/wireless/ath/ath9k/gpio.o] Error 1
make[4]: *** [drivers/net/wireless/ath/ath9k] Error 2
make[3]: *** [drivers/net/wireless/ath] Error 2
make[2]: *** [drivers/net/wireless] Error 2
make[1]: *** [drivers/net] Error 2
make: *** [drivers] Error 2

Patch set to Changes Requested.

--
https://patchwork.kernel.org/project/linux-wireless/patch/20210224130356.51444-1-zhangkun4jr@xxxxxxx/

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