Subject: [PATCH][next] brcmfmac: Replace one-element array with flexible-array member

From: "Gustavo A. R. Silva" <[email-masked]>
Date: Thu, 2 Feb 2023 19:29:47 -0600

One-element arrays are deprecated, and we are replacing them with flexible
array members instead. So, replace one-element array with flexible-array
member in struct brcmf_tlv.

This helps with the ongoing efforts to tighten the FORTIFY_SOURCE
routines on memcpy() and help us make progress towards globally
enabling -fstrict-flex-arrays=3 [1].

This results in no differences in binary output.

Link: https://github.com/KSPP/linux/issues/79
Link: https://github.com/KSPP/linux/issues/253
Link: https://gcc.gnu.org/pipermail/gcc-patches/2022-October/602902.html [1]
Signed-off-by: Gustavo A. R. Silva <[email-masked]>
---
 drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
index e90a30808c22..0e1fa3f0dea2 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.h
@@ -383,7 +383,7 @@ struct brcmf_cfg80211_info {
 struct brcmf_tlv {
 	u8 id;
 	u8 len;
-	u8 data[1];
+	u8 data[];
 };
 
 static inline struct wiphy *cfg_to_wiphy(struct brcmf_cfg80211_info *cfg)
-- 
2.34.1