linux-kernel - [PATCH 1/3] ACPI: scan: substitute empty_zero_page with helper ZERO

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Message-Id: <20221018215755.33566-1-giulio.benetti@benettiengineering.com>
Date:   Tue, 18 Oct 2022 23:57:53 +0200
From:   Giulio Benetti <giulio.benetti@...ettiengineering.com>
To:     Arnd Bergmann <arnd@...db.de>, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
        linux-raid@...r.kernel.org
Cc:     "Rafael J . Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>, Mark Brown <broonie@...nel.org>,
        Song Liu <song@...nel.org>,
        Giulio Benetti <giulio.benetti@...ettiengineering.com>
Subject: [PATCH 1/3] ACPI: scan: substitute empty_zero_page with helper ZERO_PAGE(0)

Not all zero page implementations use empty_zero_page global pointer so
let's substitute empty_zero_page occurence with helper ZERO_PAGE(0).

Signed-off-by: Giulio Benetti <giulio.benetti@...ettiengineering.com>
---
 drivers/acpi/scan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 558664d169fc..4d2d274cc8ad 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -30,7 +30,7 @@ extern struct acpi_device *acpi_root;
 #define ACPI_BUS_HID			"LNXSYBUS"
 #define ACPI_BUS_DEVICE_NAME		"System Bus"
 
-#define INVALID_ACPI_HANDLE	((acpi_handle)empty_zero_page)
+#define INVALID_ACPI_HANDLE	((acpi_handle)ZERO_PAGE(0))
 
 static const char *dummy_hid = "device";
 
-- 
2.34.1