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[net-next,2/8] wifi: ath9k: silence array-bounds warning on GCC 12

Message ID 20220520194320.2356236-3-kuba@kernel.org
State New
Headers show
Series Fix/silence GCC 12 warnings in drivers/net/wireless/ | expand

Commit Message

Jakub Kicinski May 20, 2022, 7:43 p.m. UTC
GCC 12 says:

drivers/net/wireless/ath/ath9k/mac.c: In function ‘ath9k_hw_resettxqueue’:
drivers/net/wireless/ath/ath9k/mac.c:373:22: warning: array subscript 32 is above array bounds of ‘struct ath9k_tx_queue_info[10]’ [-Warray-bounds]
  373 |         qi = &ah->txq[q];
      |               ~~~~~~~^~~

I don't know where it got the 32 from, relegate the warning to W=1+.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
CC: toke@toke.dk
CC: kvalo@kernel.org
CC: linux-wireless@vger.kernel.org
---
 drivers/net/wireless/ath/ath9k/Makefile | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index eff94bcd1f0a..9bdfcee2f448 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -45,6 +45,11 @@  ath9k_hw-y:=	\
 		ar9003_eeprom.o \
 		ar9003_paprd.o
 
+# FIXME: temporarily silence -Warray-bounds on non W=1+ builds
+ifndef KBUILD_EXTRA_WARN
+CFLAGS_mac.o += -Wno-array-bounds
+endif
+
 ath9k_hw-$(CONFIG_ATH9K_WOW) += ar9003_wow.o
 
 ath9k_hw-$(CONFIG_ATH9K_BTCOEX_SUPPORT) += btcoex.o \