* [PATCH] efi: arm: force use of unsigned type for EFI_PHYS_ALIGN
@ 2020-12-13 15:13 Ard Biesheuvel
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From: Ard Biesheuvel @ 2020-12-13 15:13 UTC (permalink / raw)
To: linux-efi; +Cc: Ard Biesheuvel
Ensure that EFI_PHYS_ALIGN is an unsigned type, to prevent spurious
warnings from the type checks in the definition of the max() macro.
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
arch/arm/include/asm/efi.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/include/asm/efi.h b/arch/arm/include/asm/efi.h
index abae071a02e1..9de7ab2ce05d 100644
--- a/arch/arm/include/asm/efi.h
+++ b/arch/arm/include/asm/efi.h
@@ -71,7 +71,7 @@ static inline void efifb_setup_from_dmi(struct screen_info *si, const char *opt)
* here throws off the memory allocation logic, so let's use the lowest power
* of two greater than 2 MiB and greater than TEXT_OFFSET.
*/
-#define EFI_PHYS_ALIGN max(SZ_2M, roundup_pow_of_two(TEXT_OFFSET))
+#define EFI_PHYS_ALIGN max(UL(SZ_2M), roundup_pow_of_two(TEXT_OFFSET))
/* on ARM, the initrd should be loaded in a lowmem region */
static inline unsigned long efi_get_max_initrd_addr(unsigned long image_addr)
--
2.20.1
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