Author: mav
Date: Thu Oct 15 08:49:52 2015
New Revision: 289363
URL: https://svnweb.freebsd.org/changeset/base/289363
Log:
MFC r289017: Add missing vnode lock in case of file modify request.
Submitted by: Richard Kojedzinszky
Modified:
stable/10/sys/cam/ctl/ctl_backend_block.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/cam/ctl/ctl_backend_block.c
==============================================================================
--- stable/10/sys/cam/ctl/ctl_backend_block.c Thu Oct 15 08:47:32 2015
(r289362)
+++ stable/10/sys/cam/ctl/ctl_backend_block.c Thu Oct 15 08:49:52 2015
(r289363)
@@ -2637,9 +2637,11 @@ ctl_be_block_modify(struct ctl_be_block_
error = ctl_be_block_open(be_lun, req);
else if (vn_isdisk(be_lun->vn, &error))
error = ctl_be_block_open_dev(be_lun, req);
- else if (be_lun->vn->v_type == VREG)
+ else if (be_lun->vn->v_type == VREG) {
+ vn_lock(be_lun->vn, LK_SHARED | LK_RETRY);
error = ctl_be_block_open_file(be_lun, req);
- else
+ VOP_UNLOCK(be_lun->vn, 0);
+ } else
error = EINVAL;
if ((cbe_lun->flags & CTL_LUN_FLAG_NO_MEDIA) &&
be_lun->vn != NULL) {
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