linux-kernel - [PATCH] crypto: fix flexible

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Date:   Fri, 12 Nov 2021 11:56:22 +0100 (CET)
From:   Julia Lawall <julia.lawall@...ia.fr>
To:     Megha Dey <megha.dey@...el.com>
cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org,
        Tomasz Kantecki <tomasz.kantecki@...el.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] crypto: fix flexible_array.cocci warnings

From: kernel test robot <lkp@...el.com>

 Zero-length and one-element arrays are deprecated, see
 Documentation/process/deprecated.rst
 Flexible-array members should be used instead.

Generated by: scripts/coccinelle/misc/flexible_array.cocci

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: kernel test robot <lkp@...el.com>
Signed-off-by: Julia Lawall <julia.lawall@...ia.fr>
---

tree:   https://github.com/meghadey/crypto crypto-avx512
head:   9c8c2ca77f6e2575a130bddb9767d068e1162d71
commit: 377aede9f10ee28be954473668bc6d33c6c9db75 [5/6] crypto: aesni - AVX512 version of AESNI-GCM using VPCLMULQDQ
:::::: branch date: 7 weeks ago
:::::: commit date: 7 weeks ago

 aesni-intel_glue.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/crypto/aesni-intel_glue.c
+++ b/arch/x86/crypto/aesni-intel_glue.c
@@ -87,7 +87,7 @@ struct gcm_context_data {
 	u64 partial_block_len;
 	u64 unused;
 	/* Allocate space for hash_keys later */
-	u8 hash_keys[0];
+	u8 hash_keys[];
 };

 asmlinkage int aesni_set_key(struct crypto_aes_ctx *ctx, const u8 *in_key,