[meghadey-crypto:for_crypto_avx512 5/6] arch/x86/crypto/aesni-intel_glue.c:90:4-13: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

[meghadey-crypto:for_crypto_avx512 5/6] arch/x86/crypto/aesni-intel_glue.c:90:4-13: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
TO: Megha Dey <megha.dey@intel.com>
CC: labuser <labuser@ssp-romleySNB-cdi172.jf.intel.com>
CC: Tomasz Kantecki <tomasz.kantecki@intel.com>

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
config: i386-randconfig-c021-20210628 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@lip6.fr>


cocci warnings: (new ones prefixed by >>)
>> arch/x86/crypto/aesni-intel_glue.c:90:4-13: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Please review and possibly fold the followup patch.

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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[PATCH] crypto: fix flexible_array.cocci warnings

[kernel test robot]

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CC: kbuild-all(a)lists.01.org
TO: Megha Dey <megha.dey@intel.com>
CC: labuser <labuser@ssp-romleySNB-cdi172.jf.intel.com>
CC: Tomasz Kantecki <tomasz.kantecki@intel.com>
CC: Herbert Xu <herbert@gondor.apana.org.au>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Ingo Molnar <mingo@redhat.com>
CC: Borislav Petkov <bp@alien8.de>
CC: x86(a)kernel.org
CC: "H. Peter Anvin" <hpa@zytor.com>
CC: linux-crypto(a)vger.kernel.org

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

arch/x86/crypto/aesni-intel_glue.c:90:4-13: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)


 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>
---

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

Please take the patch only if it's a positive warning. Thanks!

 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,