linux-kernel - [PATCH v2 21/21] sparc64: use match

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Date:   Thu, 31 May 2018 19:11:26 +0800
From:   Yisheng Xie <xieyisheng1@...wei.com>
To:     <linux-kernel@...r.kernel.org>
CC:     <andy.shevchenko@...il.com>, Yisheng Xie <xieyisheng1@...wei.com>,
        "David S. Miller" <davem@...emloft.net>,
        Anthony Yznaga <anthony.yznaga@...cle.com>,
        Pavel Tatashin <pasha.tatashin@...cle.com>,
        <sparclinux@...r.kernel.org>
Subject: [PATCH v2 21/21] sparc64: use match_string() helper

match_string() returns the index of an array for a matching string,
which can be used instead of open coded variant.

Cc: "David S. Miller" <davem@...emloft.net>
Cc: Anthony Yznaga <anthony.yznaga@...cle.com>
Cc: Pavel Tatashin <pasha.tatashin@...cle.com>
Cc: sparclinux@...r.kernel.org
Signed-off-by: Yisheng Xie <xieyisheng1@...wei.com>
---
 arch/sparc/kernel/setup_64.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 7944b3c..7af8c7e 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -512,10 +512,9 @@ static unsigned long __init mdesc_cpu_hwcap_list(void)
 				break;
 			}
 		}
-		for (i = 0; i < ARRAY_SIZE(crypto_hwcaps); i++) {
-			if (!strcmp(prop, crypto_hwcaps[i]))
-				caps |= HWCAP_SPARC_CRYPTO;
-		}
+		i = match_string(crypto_hwcaps, ARRAY_SIZE(crypto_hwcaps), prop);
+		if (i >= 0)
+			caps |= HWCAP_SPARC_CRYPTO;
 
 		plen = strlen(prop) + 1;
 		prop += plen;
-- 
1.7.12.4