These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / scsi / sg.c

diff --git a/kernel/drivers/scsi/sg.c b/kernel/drivers/scsi/sg.c
index 9d7b7db..5e82067 100644 (file)
--- a/kernel/drivers/scsi/sg.c
+++ b/kernel/drivers/scsi/sg.c
@@ -787,8 +787,14 @@ sg_common_write(Sg_fd * sfp, Sg_request * srp,
                return k;       /* probably out of space --> ENOMEM */
        }
        if (atomic_read(&sdp->detaching)) {
-               if (srp->bio)
+               if (srp->bio) {
+                       if (srp->rq->cmd != srp->rq->__cmd)
+                               kfree(srp->rq->cmd);
+
                        blk_end_request_all(srp->rq, -EIO);
+                       srp->rq = NULL;
+               }
+
                sg_finish_rem_req(srp);
                return -ENODEV;
        }
@@ -1255,7 +1261,7 @@ sg_mmap(struct file *filp, struct vm_area_struct *vma)
        }
 
        sfp->mmap_called = 1;
-       vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
+       vma->vm_flags |= VM_IO | VM_DONTEXPAND | VM_DONTDUMP;
        vma->vm_private_data = sfp;
        vma->vm_ops = &sg_mmap_vm_ops;
        return 0;