m68k/amiga: Chip RAM - Use resource_size() to fix off-by-one error

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/m68k/amiga/chipram.c b/arch/m68k/amiga/chipram.c
index c3fe45125f52..cfd3b7af26c6 100644
--- a/arch/m68k/amiga/chipram.c
+++ b/arch/m68k/amiga/chipram.c
@@ -100,7 +100,7 @@ void amiga_chip_free(void *ptr)
                 if (res->start != start)
                         continue;
                 *p = res->sibling;
-                size = res->end-start;
+                size = resource_size(res);
                 pr_debug("amiga_chip_free: free %lu bytes at %p\n", size, ptr);
                 atomic_add(size, &chipavail);
                 kfree(res);