linux-kernel - [PATCH] staging: rtl8192u avoid flex array of flex array

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Date:   Sat, 27 Feb 2021 19:06:14 -0600
From:   "Darryl T. Agostinelli" <dagostinelli@...il.com>
To:     devel@...verdev.osuosl.org
Cc:     gregkh@...uxfoundation.org, linux-kernel@...r.kernel.org,
        "Darryl T. Agostinelli" <dagostinelli@...il.com>
Subject: [PATCH] staging: rtl8192u avoid flex array of flex array

Undo the flex array in struct ieee80211_info_element.  It is used as the flex
array type in other structs (creating a flex array of flex arrays) making
sparse unhappy.  This change maintains the intent of the code and satisfies
sparse.

Signed-off-by: Darryl T. Agostinelli <dagostinelli@...il.com>
---
 drivers/staging/rtl8192u/ieee80211/ieee80211.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211.h b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
index 39f4ddd86796..43bb7aeb35e3 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
@@ -951,7 +951,7 @@ struct rtl_80211_hdr_4addrqos {
 struct ieee80211_info_element {
 	u8 id;
 	u8 len;
-	u8 data[];
+	u8 data[0];
 } __packed;
 
 struct ieee80211_authentication {
-- 
2.29.2