diff --git a/[refs] b/[refs]
index c6b1daf53aec..d83c43ae994b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0b6cb26c6686f1f24607c41f0a6d21ce54191710
+refs/heads/master: 4677735f03f5b6b6f2182f457a921855cadfb85b
diff --git a/trunk/drivers/scsi/sg.c b/trunk/drivers/scsi/sg.c
index df8bf67b171a..ba9b9bbd4e73 100644
--- a/trunk/drivers/scsi/sg.c
+++ b/trunk/drivers/scsi/sg.c
@@ -522,10 +522,6 @@ sg_new_read(Sg_fd * sfp, char __user *buf, size_t count, Sg_request * srp)
 		err = -EFAULT;
 		goto err_out;
 	}
-	if (srp->bio) {
-		err = blk_rq_unmap_user(srp->bio);
-		srp->bio = NULL;
-	}
 err_out:
 	sg_finish_rem_req(srp);
 	return (0 == err) ? count : err;
@@ -1844,9 +1840,6 @@ sg_read_oxfer(Sg_request * srp, char __user *outp, int num_read_xfer)
 	if ((!outp) || (num_read_xfer <= 0))
 		return 0;
 
-	blk_rq_unmap_user(srp->bio);
-	srp->bio = NULL;
-
 	num = 1 << (PAGE_SHIFT + schp->page_order);
 	for (k = 0; k < schp->k_use_sg && schp->pages[k]; k++) {
 		if (num > num_read_xfer) {