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| author | mav <mav@FreeBSD.org> | 2015-10-08 07:34:30 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2015-10-08 07:34:30 +0000 |
| commit | ba153888c0f9d5595823c23971029c88599a5682 (patch) | |
| tree | da1f5944f401f311c9fa10b119638c22adcd8e45 /sys/cam | |
| parent | 2d0e301063db285d84a7eb4db66731551fd7e8ce (diff) | |
| download | FreeBSD-src-ba153888c0f9d5595823c23971029c88599a5682.zip FreeBSD-src-ba153888c0f9d5595823c23971029c88599a5682.tar.gz | |
Add missing vnode lock in case of file modify request.
Submitted by: Richard Kojedzinszky
MFC after: 1 week
Diffstat (limited to 'sys/cam')
| -rw-r--r-- | sys/cam/ctl/ctl_backend_block.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/cam/ctl/ctl_backend_block.c b/sys/cam/ctl/ctl_backend_block.c index 40a0c79..2930fbd 100644 --- a/sys/cam/ctl/ctl_backend_block.c +++ b/sys/cam/ctl/ctl_backend_block.c @@ -2623,9 +2623,11 @@ ctl_be_block_modify(struct ctl_be_block_softc *softc, struct ctl_lun_req *req) 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) { |
