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Date:   Tue, 29 Jun 2021 13:48:01 +0200 (CEST)
From:   Julia Lawall <julia.lawall@inria.fr>
To:     Megha Dey <megha.dey@intel.com>
cc:     labuser <labuser@ssp-romleySNB-cdi172.jf.intel.com>,
        Tomasz Kantecki <tomasz.kantecki@intel.com>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        linux-crypto@vger.kernel.org, kbuild-all@lists.01.org
Subject: [PATCH] crypto: fix flexible_array.cocci warnings 
Message-ID: <alpine.DEB.2.22.394.2106291346290.4909@hadrien>
User-Agent: Alpine 2.22 (DEB 394 2020-01-19)
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From: kernel test robot <lkp@intel.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

Fixes: 7540b2861e52 ("crypto: aesni - AVX512 version of AESNI-GCM using VPCLMULQDQ")
CC: Megha Dey <megha.dey@intel.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Signed-off-by: Julia Lawall <julia.lawall@inria.fr>
---

tree:   https://github.com/meghadey/crypto for_crypto_avx512
head:   a89c5880f0d6260dd593bf579df26f2a2d56ac32
commit: 7540b2861e5292b5993f8e693fc69510b2a7277a [5/6] crypto: aesni - AVX512 version of AESNI-GCM using VPCLMULQDQ
:::::: branch date: 7 hours ago
:::::: commit date: 7 hours 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,