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Date:   Wed, 16 Feb 2022 13:50:47 -0600
From:   "Gustavo A. R. Silva" <>
To:     Ping-Ke Shih <>, Kalle Valo <>,
        "David S. Miller" <>,
        Jakub Kicinski <>
        "Gustavo A. R. Silva" <>,
Subject: [PATCH][next] tw89: core.h: Replace zero-length array with
 flexible-array member

There is a regular need in the kernel to provide a way to declare
having a dynamically sized set of trailing elements in a structure.
Kernel code should always use “flexible array members”[1] for these
cases. The older style of one-element or zero-length arrays should
no longer be used[2].


Signed-off-by: Gustavo A. R. Silva <>
 drivers/net/wireless/realtek/rtw89/core.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 7c84556ec4ad..b15b529e19ed 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -2847,7 +2847,7 @@ struct rtw89_dev {
 	int napi_budget_countdown;
 	/* HCI related data, keep last */
-	u8 priv[0] __aligned(sizeof(void *));
+	u8 priv[] __aligned(sizeof(void *));
 static inline int rtw89_hci_tx_write(struct rtw89_dev *rtwdev,

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