devicetree/fdt: fix fdt_get_reg_size() get wrong size

Signed-off-by: Bowen Wang <[email protected]> Signed-off-by: ligd <[email protected]>
GUIDINGLI · Oct 8, 2024 · 802c8ae · 802c8ae
1 parent 49c5dbe
commit 802c8ae
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/drivers/devicetree/fdt.c b/drivers/devicetree/fdt.c
@@ -325,7 +325,9 @@ size_t fdt_get_reg_size(FAR const void *fdt, int offset)
   reg = fdt_getprop(fdt, offset, "reg", NULL);
   if (reg != NULL)
     {
-      size = fdt_ld_by_cells(reg, fdt_get_parent_size_cells(fdt, offset));
+      size = fdt_ld_by_cells((FAR fdt32_t *)reg +
+                             fdt_get_parent_address_cells(fdt, offset),
+                             fdt_get_parent_size_cells(fdt, offset));
     }
 
   return size;