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MFC r289017: Add missing vnode lock in case of file modify request.

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Submitted by:	Richard Kojedzinszky
This commit is contained in:
mav 2015-10-15 08:49:52 +00:00
parent 0efbd96e26
commit 2cefe1a092
1 changed files with 4 additions and 2 deletions
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6
sys/cam/ctl/ctl_backend_block.c
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@ -2637,9 +2637,11 @@ 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) {