[libvirt] [PATCH V3 6/7] security_dac: avoid relabeling hostdevs when relabel='no'

[Jim Fehlig]

When relabel='no' at the domain level, there is no need to call
the hostdev relabeling functions.

Signed-off-by: Michal Privoznik <mprivozn at redhat.com>
Signed-off-by: Jim Fehlig <jfehlig at suse.com>
---
 src/security/security_dac.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/security/security_dac.c b/src/security/security_dac.c
index d6ca303..4434cd0 100644
--- a/src/security/security_dac.c
+++ b/src/security/security_dac.c
@@ -485,6 +485,9 @@ virSecurityDACSetSecurityHostdevLabel(virSecurityManagerPtr mgr,
     cbdata.manager = mgr;
     cbdata.secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_DAC_NAME);
 
+    if (cbdata.secdef && cbdata.secdef->norelabel)
+        return 0;
+
     switch ((enum virDomainHostdevSubsysType) dev->source.subsys.type) {
     case VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB: {
         virUSBDevicePtr usb;
@@ -601,10 +604,13 @@ virSecurityDACRestoreSecurityHostdevLabel(virSecurityManagerPtr mgr,
 
 {
     virSecurityDACDataPtr priv = virSecurityManagerGetPrivateData(mgr);
+    virSecurityLabelDefPtr secdef;
     int ret = -1;
 
-    if (!priv->dynamicOwnership)
-        return 0;
+    secdef = virDomainDefGetSecurityLabelDef(def, SECURITY_DAC_NAME);
+
+    if (!priv->dynamicOwnership || (secdef && secdef->norelabel))
+         return 0;
 
     if (dev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS)
         return 0;
-- 
1.8.1.4