diff --git a/mm/filemap.c b/mm/filemap.c
index d05f8013a4f0..6f2c4bd6a571 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -3203,12 +3203,12 @@ static bool filemap_map_pmd(struct vm_fault *vmf, struct page *page)
 	}
 
 	if (pmd_none(*vmf->pmd) && PageTransHuge(page)) {
-	    vm_fault_t ret = do_set_pmd(vmf, page);
-	    if (!ret) {
-		    /* The page is mapped successfully, reference consumed. */
-		    unlock_page(page);
-		    return true;
-	    }
+		vm_fault_t ret = do_set_pmd(vmf, page);
+		if (!ret) {
+			/* The page is mapped successfully, reference consumed. */
+			unlock_page(page);
+			return true;
+		}
 	}
 
 	if (pmd_none(*vmf->pmd))