[PATCH 1/1] efi_loader: efi_size_in_pages() missing parentheses

Heinrich Schuchardt xypron.glpk at gmx.de
Sun Jan 17 07:54:07 CET 2021


Add parentheses around size to avoid possible operator precedence problems.

Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
---
 include/efi_loader.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/efi_loader.h b/include/efi_loader.h
index e53d286b9d..3c69d9ce1e 100644
--- a/include/efi_loader.h
+++ b/include/efi_loader.h
@@ -564,7 +564,7 @@ struct efi_file_handle *efi_file_from_path(struct efi_device_path *fp);
  * @size:	size in bytes
  * Return:	size in pages
  */
-#define efi_size_in_pages(size) ((size + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT)
+#define efi_size_in_pages(size) (((size) + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT)
 /* Generic EFI memory allocator, call this to get memory */
 void *efi_alloc(uint64_t len, int memory_type);
 /* More specific EFI memory allocator, called by EFI payloads */
--
2.29.2



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