From: Thorsten Blum <thorsten.blum@linux.dev>
Date: Thu, 3 Jul 2025 17:19:34 +0000 (+0200)
Subject: crypto: zstd - replace zero-length array with flexible array member
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=25f4e1d7193d1438715bb0f05b6aa8df3f7b434f;p=thirdparty%2Flinux.git

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>
---

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);