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Message-Id: <20200530141218.4690-4-oscar.carter@gmx.com>
Date: Sat, 30 May 2020 16:12:18 +0200
From: Oscar Carter <oscar.carter@....com>
To: Kees Cook <keescook@...omium.org>,
Thomas Gleixner <tglx@...utronix.de>,
Jason Cooper <jason@...edaemon.net>,
Marc Zyngier <maz@...nel.org>,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Len Brown <lenb@...nel.org>
Cc: Oscar Carter <oscar.carter@....com>,
kernel-hardening@...ts.openwall.com,
linux-kernel@...r.kernel.org,
linux-acpi@...r.kernel.org
Subject: [PATCH v4 3/3] drivers/acpi: Remove function cast
Remove the function cast in the ACPI_DECLARE_PROBE_ENTRY macro to ensure
that the functions passed as a last parameter to this macro have the
right prototype.
This is an effort to enable -Wcast-function-type in the top-level Makefile
to support Control Flow Integrity builds.
Suggested-by: Marc Zyngier <maz@...nel.org>
Signed-off-by: Oscar Carter <oscar.carter@....com>
---
include/linux/acpi.h | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index cf74e044a570..1cda2d32e4c4 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -1143,16 +1143,16 @@ struct acpi_probe_entry {
kernel_ulong_t driver_data;
};
-#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, valid, data, fn) \
+#define ACPI_DECLARE_PROBE_ENTRY(table, name, table_id, subtable, \
+ valid, data, fn) \
static const struct acpi_probe_entry __acpi_probe_##name \
- __used __section(__##table##_acpi_probe_table) \
- = { \
+ __used __section(__##table##_acpi_probe_table) = { \
.id = table_id, \
.type = subtable, \
.subtable_valid = valid, \
- .probe_table = (acpi_tbl_table_handler)fn, \
- .driver_data = data, \
- }
+ .probe_table = fn, \
+ .driver_data = data, \
+ }
#define ACPI_DECLARE_SUBTABLE_PROBE_ENTRY(table, name, table_id, \
subtable, valid, data, fn) \
--
2.20.1
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