Auto-update from upstream

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 770c4324f3d5..7ac6ea141fff 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -4509,6 +4509,7 @@ static int sgl_map_user_pages(struct scatterlist *sgl, const unsigned int max_pa
         if (res > 0) {
                 for (j=0; j < res; j++)
                         page_cache_release(pages[j]);
+                res = 0;
         }
         kfree(pages);
         return res;
@@ -4524,8 +4525,6 @@ static int sgl_unmap_user_pages(struct scatterlist *sgl, const unsigned int nr_p
         for (i=0; i < nr_pages; i++) {
                 struct page *page = sgl[i].page;
 
-                /* XXX: just for debug. Remove when PageReserved is removed */
-                BUG_ON(PageReserved(page));
                 if (dirtied)
                         SetPageDirty(page);
                 /* FIXME: cache flush missing for rw==READ