1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index bfa86b378fb9..b098942445ec 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1799,8 +1799,10 @@ sg_build_direct(Sg_request * srp, Sg_fd * sfp, int dxfer_len)
         res = st_map_user_pages(schp->buffer, mx_sc_elems,
                                 (unsigned long)hp->dxferp, dxfer_len, 
                                 (SG_DXFER_TO_DEV == hp->dxfer_direction) ? 1 : 0);
-        if (res <= 0)
+        if (res <= 0) {
+                sg_remove_scat(schp);
                 return 1;
+        }
         schp->k_use_sg = res;
         schp->dio_in_use = 1;
         hp->info |= SG_INFO_DIRECT_IO;