1 files changed, 8 insertions, 4 deletions

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 07fee811c09e..d86d5c26061d 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1887,13 +1887,17 @@ st_unmap_user_pages(struct scatterlist *sgl, const unsigned int nr_pages,
         int i;
 
         for (i=0; i < nr_pages; i++) {
-                if (dirtied && !PageReserved(sgl[i].page))
-                        SetPageDirty(sgl[i].page);
-                /* unlock_page(sgl[i].page); */
+                struct page *page = sgl[i].page;
+
+                /* XXX: just for debug. Remove when PageReserved is removed */
+                BUG_ON(PageReserved(page));
+                if (dirtied)
+                        SetPageDirty(page);
+                /* unlock_page(page); */
                 /* FIXME: cache flush missing for rw==READ
                  * FIXME: call the correct reference counting function
                  */
-                page_cache_release(sgl[i].page);
+                page_cache_release(page);
         }
 
         return 0;