From 25f4e1d7193d1438715bb0f05b6aa8df3f7b434f Mon Sep 17 00:00:00 2001
From: Thorsten Blum <thorsten.blum@linux.dev>
Date: Thu, 3 Jul 2025 19:19:34 +0200
Subject: [PATCH] crypto: zstd - replace zero-length array with flexible array
 member

Replace the deprecated zero-length array with a modern flexible array
member in the struct zstd_ctx.

No functional changes intended.

Link: https://github.com/KSPP/linux/issues/78
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Kees Cook <kees@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 crypto/zstd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/crypto/zstd.c b/crypto/zstd.c
index 24edb4d616b56..ebeadc1f3b5fd 100644
--- a/crypto/zstd.c
+++ b/crypto/zstd.c
@@ -25,7 +25,7 @@ struct zstd_ctx {
 	zstd_dctx *dctx;
 	size_t wksp_size;
 	zstd_parameters params;
-	u8 wksp[0] __aligned(8);
+	u8 wksp[] __aligned(8);
 };
 
 static DEFINE_MUTEX(zstd_stream_lock);
-- 
2.47.2