linux-kernel - [PATCH v3] ACPI /amba: Fix meaningless code for amba_register_dummy

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20240618115845.261297-1-youwan@nfschina.com>
Date: Tue, 18 Jun 2024 19:58:45 +0800
From: Youwan Wang <youwan@...china.com>
To: lpieralisi@...nel.org
Cc: guohanjun@...wei.com,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	lenb@...nel.org,
	rafael@...nel.org,
	sudeep.holla@....com,
	linux-acpi@...r.kernel.org,
	Youwan Wang <youwan@...china.com>
Subject: [PATCH v3] ACPI /amba: Fix meaningless code for amba_register_dummy_clk()

Defining `amba_dummy_clk` as static is meaningless.

The amba_register_dummy_clk() function is static and
is called during initialization. I think 'amba_dummy_clk'
should be NULL each time when initializing

Signed-off-by: Youwan Wang <youwan@...china.com>
---
 drivers/acpi/arm64/amba.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/acpi/arm64/amba.c b/drivers/acpi/arm64/amba.c
index 60be8ee1dbdc..ef438417cc80 100644
--- a/drivers/acpi/arm64/amba.c
+++ b/drivers/acpi/arm64/amba.c
@@ -35,11 +35,7 @@ static const struct acpi_device_id amba_id_list[] = {
 
 static void amba_register_dummy_clk(void)
 {
-	static struct clk *amba_dummy_clk;
-
-	/* If clock already registered */
-	if (amba_dummy_clk)
-		return;
+	struct clk *amba_dummy_clk;
 
 	amba_dummy_clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, 0, 0);
 	clk_register_clkdev(amba_dummy_clk, "apb_pclk", NULL);
-- 
2.25.1