Saurav Girepunje <saurav.girepunje@xxxxxxxxx> wrote: > Remove "len" variable which is not used in ath9k_dump_legacy_btcoex. > > Signed-off-by: Saurav Girepunje <saurav.girepunje@xxxxxxxxx> Fails to build, always compile test 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); did you mean '_end'? len += scnprintf(buf + len, size - len, \ ^~~ drivers/net/wireless/ath/ath9k/gpio.c:502:2: note: in expansion of macro 'ATH_DUMP_BTCOEX' 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 len += scnprintf(buf + len, size - len, \ ^~~ drivers/net/wireless/ath/ath9k/gpio.c:502:2: note: in expansion of macro 'ATH_DUMP_BTCOEX' 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[1]: *** Waiting for unfinished jobs.... make: *** [drivers] Error 2 Patch set to Rejected. -- https://patchwork.kernel.org/patch/11216495/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches