'freq_list' is used in some source files which include hostap.h, but not all. The compiler complains about the times it's not used. Mark it as __maybe_used to tell the compiler that this is not only okay, it's expected. Fixes the following W=1 kernel build warning(s): In file included from drivers/net/wireless/intersil/hostap/hostap_80211_tx.c:9: drivers/net/wireless/intersil/hostap/hostap.h:11:19: warning: ‘freq_list’ defined but not used [-Wunused-const-variable=] In file included from drivers/net/wireless/intersil/hostap/hostap_main.c:31: drivers/net/wireless/intersil/hostap/hostap.h:11:19: warning: ‘freq_list’ defined but not used [-Wunused-const-variable=] In file included from drivers/net/wireless/intersil/hostap/hostap_proc.c:10: drivers/net/wireless/intersil/hostap/hostap.h:11:19: warning: ‘freq_list’ defined but not used [-Wunused-const-variable=] In file included from drivers/net/wireless/intersil/hostap/hostap_hw.c:50, from drivers/net/wireless/intersil/hostap/hostap_cs.c:196: At top level: drivers/net/wireless/intersil/hostap/hostap.h:11:19: warning: ‘freq_list’ defined but not used [-Wunused-const-variable=] In file included from drivers/net/wireless/intersil/hostap/hostap_hw.c:50, from drivers/net/wireless/intersil/hostap/hostap_pci.c:221: At top level: drivers/net/wireless/intersil/hostap/hostap.h:11:19: warning: ‘freq_list’ defined but not used [-Wunused-const-variable=] In file included from drivers/net/wireless/intersil/hostap/hostap_hw.c:50, from drivers/net/wireless/intersil/hostap/hostap_plx.c:264: At top level: drivers/net/wireless/intersil/hostap/hostap.h:11:19: warning: ‘freq_list’ defined but not used [-Wunused-const-variable=] Cc: Jouni Malinen <j@xxxxx> Cc: Kalle Valo <kvalo@xxxxxxxxxxxxxx> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> Cc: Jakub Kicinski <kuba@xxxxxxxxxx> Cc: linux-wireless@xxxxxxxxxxxxxxx Cc: netdev@xxxxxxxxxxxxxxx Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx> --- drivers/net/wireless/intersil/hostap/hostap.h | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/intersil/hostap/hostap.h b/drivers/net/wireless/intersil/hostap/hostap.h index 8130d29c7989c..c4b81ff7d7e47 100644 --- a/drivers/net/wireless/intersil/hostap/hostap.h +++ b/drivers/net/wireless/intersil/hostap/hostap.h @@ -8,8 +8,10 @@ #include "hostap_wlan.h" #include "hostap_ap.h" -static const long freq_list[] = { 2412, 2417, 2422, 2427, 2432, 2437, 2442, - 2447, 2452, 2457, 2462, 2467, 2472, 2484 }; +static const long __maybe_unused freq_list[] = { + 2412, 2417, 2422, 2427, 2432, 2437, 2442, + 2447, 2452, 2457, 2462, 2467, 2472, 2484 +}; #define FREQ_COUNT ARRAY_SIZE(freq_list) /* hostap.c */ -- 2.25.1