From: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Date: Thu, 10 Nov 2022 18:42:04 +0800
Subject: crypto: arm64 - Fix unused variable compilation warnings of
 cpu_feature
Git-commit: 824db5cd1ec9b95c254fc317c3999f6b53e98b12
Patch-mainline: v6.2-rc1
References: git-fixes

The cpu feature defined by MODULE_DEVICE_TABLE is only referenced when
compiling as a module, and the warning of unused variable will be
encountered when compiling with intree. The warning can be removed by
adding the __maybe_unused flag.

Fixes: 03c9a333fef1 ("crypto: arm64/ghash - add NEON accelerated fallback for 64-bit PMULL")
Fixes: ae1b83c7d572 ("crypto: arm64/sm4 - add CE implementation for GCM mode")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Tianjia Zhang <tianjia.zhang@linux.alibaba.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Ivan T. Ivanov <iivanov@suse.de>
---
 arch/arm64/crypto/ghash-ce-glue.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/arm64/crypto/ghash-ce-glue.c
+++ b/arch/arm64/crypto/ghash-ce-glue.c
@@ -594,7 +594,7 @@ static void __exit ghash_ce_mod_exit(voi
 	crypto_unregister_aead(&gcm_aes_alg);
 }
 
-static const struct cpu_feature ghash_cpu_feature[] = {
+static const struct cpu_feature __maybe_unused ghash_cpu_feature[] = {
 	{ cpu_feature(PMULL) }, { }
 };
 MODULE_DEVICE_TABLE(cpu, ghash_cpu_feature);