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interface: Take interface status into account when starting and destroying

Browse Source 
https://bugzilla.redhat.com/show_bug.cgi?id=956994

Currently, it is possible to start an interface that is already running:

 # virsh iface-start eth2
 Interface eth2 started

 # echo $?
 0

 # virsh iface-start eth2
 Interface eth2 started

 # echo $?
 0

 # virsh iface-start eth2
 Interface eth2 started

 # echo $?
 0

Same applies for destroying a dead interface. We should not allow such
state transitions.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2013-12-10 19:29:54 +01:00
parent 50f5468c96
commit 5bd7ac029e
1 changed files with 20 additions and 0 deletions
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20
src/interface/interface_backend_netcf.c
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@ -944,6 +944,7 @@ static int netcfInterfaceCreate(virInterfacePtr ifinfo,
struct netcf_if *iface = NULL;
virInterfaceDefPtr def = NULL;
int ret = -1;
bool active;
virCheckFlags(0, -1);
@ -962,6 +963,15 @@ static int netcfInterfaceCreate(virInterfacePtr ifinfo,
if (virInterfaceCreateEnsureACL(ifinfo->conn, def) < 0)
goto cleanup;
if (netcfInterfaceObjIsActive(iface, &active) < 0)
goto cleanup;
if (active) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("interface is already running"));
goto cleanup;
}
ret = ncf_if_up(iface);
if (ret < 0) {
const char *errmsg, *details;
@ -987,6 +997,7 @@ static int netcfInterfaceDestroy(virInterfacePtr ifinfo,
struct netcf_if *iface = NULL;
virInterfaceDefPtr def = NULL;
int ret = -1;
bool active;
virCheckFlags(0, -1);
@ -1005,6 +1016,15 @@ static int netcfInterfaceDestroy(virInterfacePtr ifinfo,
if (virInterfaceDestroyEnsureACL(ifinfo->conn, def) < 0)
goto cleanup;
if (netcfInterfaceObjIsActive(iface, &active) < 0)
goto cleanup;
if (!active) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("interface is not running"));
goto cleanup;
}
ret = ncf_if_down(iface);
if (ret < 0) {
const char *errmsg, *details;