[PATCH 6.6 312/396] efi/libstub: Cast away type warning in use of max()

Greg Kroah-Hartman
2024-04-01T16:51:49Z

From: Ard Biesheuvel <ardb@kernel.org>

commit 61d130f261a3c15ae2c4b6f3ac3517d5d5b78855 upstream.

Avoid a type mismatch warning in max() by switching to max_t() and
providing the type explicitly.

Fixes: 3cb4a4827596abc82e ("efi/libstub: fix efi_random_alloc() ...")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/firmware/efi/libstub/randomalloc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/firmware/efi/libstub/randomalloc.c
+++ b/drivers/firmware/efi/libstub/randomalloc.c
@@ -120,7 +120,7 @@ efi_status_t efi_random_alloc(unsigned l
continue;
}

- target = round_up(max(md->phys_addr, alloc_min), align) + target_slot * align;
+ target = round_up(max_t(u64, md->phys_addr, alloc_min), align) + target_slot * align;
pages = size / EFI_PAGE_SIZE;

status = efi_bs_call(allocate_pages, EFI_ALLOCATE_ADDRESS,