linux-kernel - [PATCH] arm64: cpufeatures: Clean up temporary variable to simplify code

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Message-ID: <20240229105208.456704-1-liaochang1@huawei.com>
Date: Thu, 29 Feb 2024 10:52:08 +0000
From: Liao Chang <liaochang1@...wei.com>
To: <catalin.marinas@....com>, <will@...nel.org>, <broonie@...nel.org>,
	<mark.rutland@....com>, <maz@...nel.org>, <joey.gouly@....com>,
	<kristina.martsenko@....com>, <liaochang1@...wei.com>,
	<ryan.roberts@....com>, <jeremy.linton@....com>
CC: <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] arm64: cpufeatures: Clean up temporary variable to simplify code

Clean up one temporary variable to simplifiy code in capability
detection.

Signed-off-by: Liao Chang <liaochang1@...wei.com>
---
 arch/arm64/kernel/cpufeature.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 8d1a634a403e..0e900b23f7ab 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -3052,13 +3052,9 @@ static void __init enable_cpu_capabilities(u16 scope_mask)
 	boot_scope = !!(scope_mask & SCOPE_BOOT_CPU);
 
 	for (i = 0; i < ARM64_NCAPS; i++) {
-		unsigned int num;
-
 		caps = cpucap_ptrs[i];
-		if (!caps || !(caps->type & scope_mask))
-			continue;
-		num = caps->capability;
-		if (!cpus_have_cap(num))
+		if (!caps || !(caps->type & scope_mask) ||
+		    !cpus_have_cap(caps->capability))
 			continue;
 
 		if (boot_scope && caps->cpu_enable)
-- 
2.34.1