Fix EFI platform build failures

With warnings now enabled some plaforms where failing due to warnings.
* Fix st_size printed as a size_t when its actually an off_t.
* Fix pointer conversion in load_elf for some 32bit platforms due to 64bit
  off in ef.

MFC after:	2 days
X-MFC-With:
Sponsored by:	Multiplay

2 files changed, 2 insertions, 2 deletions

diff --git a/sys/boot/common/load_elf.c b/sys/boot/common/load_elf.c
index 0ff1a15..3207f73 100644
--- a/sys/boot/common/load_elf.c
+++ b/sys/boot/common/load_elf.c
@@ -886,7 +886,7 @@ __elfN(parse_modmetadata)(struct preloaded_file *fp, elf_file_t ef,
 	error = __elfN(reloc_ptr)(fp, ef, v, &md, sizeof(md));
 	if (error == EOPNOTSUPP) {
 	    md.md_cval += ef->off;
-	    md.md_data = (void *)((uintptr_t)md.md_data + ef->off);
+	    md.md_data = (void *)((uintptr_t)md.md_data + (uintptr_t)ef->off);
 	} else if (error != 0)
 	    return (error);
 #endif
diff --git a/sys/boot/efi/boot1/zfs_module.c b/sys/boot/efi/boot1/zfs_module.c
index 4e2c5c4..925f0b2 100644
--- a/sys/boot/efi/boot1/zfs_module.c
+++ b/sys/boot/efi/boot1/zfs_module.c
@@ -135,7 +135,7 @@ load(const char *filepath, dev_info_t *devinfo, void **bufp, size_t *bufsize)
 
 	if ((status = bs->AllocatePool(EfiLoaderData, (UINTN)st.st_size, &buf))
 	    != EFI_SUCCESS) {
-		printf("Failed to allocate load buffer %zu for pool '%s' for '%s' "
+		printf("Failed to allocate load buffer %zd for pool '%s' for '%s' "
 		    "(%lu)\n", st.st_size, spa->spa_name, filepath, EFI_ERROR_CODE(status));
 		return (EFI_INVALID_PARAMETER);
 	}