1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 1871b8ae83a..9b28f39bac2 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -462,14 +462,16 @@ static void st_scsi_execute_end(struct request *req, int uptodate)
 {
         struct st_request *SRpnt = req->end_io_data;
         struct scsi_tape *STp = SRpnt->stp;
+        struct bio *tmp;
 
         STp->buffer->cmdstat.midlevel_result = SRpnt->result = req->errors;
         STp->buffer->cmdstat.residual = req->resid_len;
 
+        tmp = SRpnt->bio;
         if (SRpnt->waiting)
                 complete(SRpnt->waiting);
 
-        blk_rq_unmap_user(SRpnt->bio);
+        blk_rq_unmap_user(tmp);
         __blk_put_request(req->q, req);
 }