1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/pnp.h b/include/linux/pnp.h
index 1bc1338b817b..195aafc6cd07 100644
--- a/include/linux/pnp.h
+++ b/include/linux/pnp.h
@@ -50,7 +50,7 @@ static inline resource_size_t pnp_resource_len(struct resource *res)
 {
         if (res->start == 0 && res->end == 0)
                 return 0;
-        return res->end - res->start + 1;
+        return resource_size(res);
 }