[PATCH v3 4/5] libstub: Fix compilation warning for rv32

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Fix the following warning which appears when compiled for rv32 by using
unsigned long type instead of u64.

../drivers/firmware/efi/libstub/efi-stub-helper.c: In function 'efi_kaslr_relocate_kernel':
../drivers/firmware/efi/libstub/efi-stub-helper.c:846:28: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
  846 |                            (u64)_end < EFI_ALLOC_LIMIT) {

Signed-off-by: Alexandre Ghiti <alexghiti@xxxxxxxxxxxx>
---
 drivers/firmware/efi/libstub/efi-stub-helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c
index a5c61a768d59..029d1581db72 100644
--- a/drivers/firmware/efi/libstub/efi-stub-helper.c
+++ b/drivers/firmware/efi/libstub/efi-stub-helper.c
@@ -842,7 +842,7 @@ efi_status_t efi_kaslr_relocate_kernel(unsigned long *image_addr,
 		if (!check_image_region(*image_addr, kernel_memsize)) {
 			efi_err("FIRMWARE BUG: Image BSS overlaps adjacent EFI memory region\n");
 		} else if (IS_ALIGNED(*image_addr, min_kimg_align) &&
-			   (u64)_end < EFI_ALLOC_LIMIT) {
+			   (unsigned long)_end < EFI_ALLOC_LIMIT) {
 			/*
 			 * Just execute from wherever we were loaded by the
 			 * UEFI PE/COFF loader if the placement is suitable.
-- 
2.39.2




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