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Date:   Wed, 16 Feb 2022 13:50:30 -0600
From:   "Gustavo A. R. Silva" <>
To:     Luca Coelho <>,
        Kalle Valo <>,
        "David S. Miller" <>,
        Jakub Kicinski <>
        "Gustavo A. R. Silva" <>,
Subject: [PATCH][next] iwlwifi: mei: 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/intel/iwlwifi/mei/sap.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mei/sap.h b/drivers/net/wireless/intel/iwlwifi/mei/sap.h
index 11e3009121cc..be1456dea484 100644
--- a/drivers/net/wireless/intel/iwlwifi/mei/sap.h
+++ b/drivers/net/wireless/intel/iwlwifi/mei/sap.h
@@ -298,7 +298,7 @@ struct iwl_sap_hdr {
 	__le16 type;
 	__le16 len;
 	__le32 seq_num;
-	u8 payload[0];
+	u8 payload[];

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