1 files changed, 1 insertions, 0 deletions

diff --git a/mm/truncate.c b/mm/truncate.c
index f4edbc179d14..fca28839c46e 100644
--- a/mm/truncate.c
+++ b/mm/truncate.c
@@ -396,6 +396,7 @@ int invalidate_inode_pages2_range(struct address_space *mapping,
                 pagevec_release(&pvec);
                 cond_resched();
         }
+        WARN_ON_ONCE(ret);
         return ret;
 }
 EXPORT_SYMBOL_GPL(invalidate_inode_pages2_range);