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Date: Thu, 23 Apr 2020 18:09:48 +0530 From: Vamshi K Sthambamkadi <vamshi.k.sthambamkadi@...il.com> To: bp@...en8.de, tglx@...utronix.de, mingo@...hat.com, hpa@...or.com Cc: Vamshi K Sthambamkadi <vamshi.k.sthambamkadi@...il.com>, x86@...nel.org, linux-kernel@...r.kernel.org Subject: [PATCH v3 2/2] x86: fix build warning int-to-pointer-cast Fix warning on x86_32: arch/x86/boot/compressed/acpi.c:316:9: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] This is because on 32 bit, cast of acpi_physical_address(u64) to rsdp pointer in get_acpi_srat_table() triggers this warning. Signed-off-by: Vamshi K Sthambamkadi <vamshi.k.sthambamkadi@...il.com> --- arch/x86/boot/compressed/acpi.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/x86/boot/compressed/acpi.c b/arch/x86/boot/compressed/acpi.c index ef2ad72..2fd81f1 100644 --- a/arch/x86/boot/compressed/acpi.c +++ b/arch/x86/boot/compressed/acpi.c @@ -280,9 +280,9 @@ acpi_physical_address get_rsdp_addr(void) */ #define MAX_ADDR_LEN 19 -static acpi_physical_address get_cmdline_acpi_rsdp(void) +static unsigned long get_cmdline_acpi_rsdp(void) { - acpi_physical_address addr = 0; + unsigned long addr = 0; #ifdef CONFIG_KEXEC char val[MAX_ADDR_LEN] = { }; @@ -292,7 +292,7 @@ static acpi_physical_address get_cmdline_acpi_rsdp(void) if (ret < 0) return 0; - if (kstrtoull(val, 16, &addr)) + if (kstrtoul(val, 16, &addr)) return 0; #endif return addr; -- 2.7.4
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