linux-kernel - [PATCH] x86: fix build warning int-to-pointer-cast

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Date:   Mon, 30 Mar 2020 17:59:10 +0530
From:   Vamshi K Sthambamkadi <vamshi.k.sthambamkadi@...il.com>
To:     tglx@...utronix.de, mingo@...hat.com, bp@...en8.de, hpa@...or.com,
        x86@...nel.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] x86: fix build warning int-to-pointer-cast

Fixed build warning int-to-pointer-cast arising from
x86/boot/compressed/acpi.c while casting return value of
get_cmdline_acpi_rsdp(). Culprit line -
rsdp = (struct acpi_table_rsdp *)get_cmdline_acpi_rsdp();

Signed-off-by: Vamshi K Sthambamkadi <vamshi.k.sthambamkadi@...il.com>
---
 arch/x86/boot/compressed/Makefile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index 7619742..216a7c2 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -88,6 +88,7 @@ ifdef CONFIG_X86_64
 	vmlinux-objs-y += $(obj)/pgtable_64.o
 endif
 
+CFLAGS_acpi.o := -Wno-int-to-pointer-cast
 vmlinux-objs-$(CONFIG_ACPI) += $(obj)/acpi.o
 
 vmlinux-objs-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
-- 
2.7.4