linux-kernel - [PATCH 1/2] libertas: Add missing __packed annotation with struct

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Message-Id: <20211201173234.578124-2-keescook@chromium.org>
Date:   Wed,  1 Dec 2021 09:32:33 -0800
From:   Kees Cook <keescook@...omium.org>
To:     Kalle Valo <kvalo@...eaurora.org>
Cc:     Kees Cook <keescook@...omium.org>,
        kernel test robot <lkp@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Wan Jiabing <wanjiabing@...o.com>,
        "John W. Linville" <linville@...driver.com>,
        Luis Carlos Cobo <luisca@...ybit.com>,
        linux-kernel@...r.kernel.org, libertas-dev@...ts.infradead.org,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-hardening@...r.kernel.org
Subject: [PATCH 1/2] libertas: Add missing __packed annotation with struct_group()

Build testing of the newly added struct_group() usage missed smaller
architecture width tests for changes to pahole output. Add the missed
__packed annotation with struct_group() usage in a __packed struct.

Reported-by: kernel test robot <lkp@...el.com>
Link: https://lore.kernel.org/linux-mm/202111302102.apaePz2J-lkp@intel.com
Fixes: 5fd32ae0433a ("libertas: Use struct_group() for memcpy() region")
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 drivers/net/wireless/marvell/libertas/host.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/marvell/libertas/host.h b/drivers/net/wireless/marvell/libertas/host.h
index af96bdba3b2b..ceff4b92e7a1 100644
--- a/drivers/net/wireless/marvell/libertas/host.h
+++ b/drivers/net/wireless/marvell/libertas/host.h
@@ -308,7 +308,7 @@ struct txpd {
 	__le32 tx_packet_location;
 	/* Tx packet length */
 	__le16 tx_packet_length;
-	struct_group(tx_dest_addr,
+	struct_group_attr(tx_dest_addr, __packed,
 		/* First 2 byte of destination MAC address */
 		u8 tx_dest_addr_high[2];
 		/* Last 4 byte of destination MAC address */
-- 
2.30.2