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maint: improve VIR_ERR_INVALID_INTERFACE usage

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When checking for a valid interface, we weren't consistent on
whether we reported as VIR_FROM_NONE or VIR_FROM_INTERFACE.
Similar to previous patches, use a common macro to make it nicer.
Furthermore, just as in commit 6e130ddc, the difference between
VIR_IS_INTERFACE and VIR_IS_CONNECTED_INTERFACE is moot (due to
reference counting, any valid interface must be tied to a valid
connection).  For now, we don't need virCheckInterfaceGoto().

* src/datatypes.h (virCheckInterfaceReturn): New macro.
(VIR_IS_INTERFACE, VIR_IS_CONNECTED_INTERFACE): Drop unused
macros.
* src/libvirt.c: Use macro throughout.
(virLibInterfaceError): Drop unused macro.

Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Eric Blake 2013-12-27 18:08:16 -07:00
parent 6d8233fea2
commit 459532b4f7
2 changed files with 32 additions and 59 deletions
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17
src/datatypes.h
View File

@ -110,10 +110,19 @@ extern virClassPtr virStoragePoolClass;
} \
} while (0)
# define VIR_IS_INTERFACE(obj) \
(virObjectIsClass((obj), virInterfaceClass))
# define VIR_IS_CONNECTED_INTERFACE(obj) \
(VIR_IS_INTERFACE(obj) && virObjectIsClass((obj)->conn, virConnectClass))
# define virCheckInterfaceReturn(obj, retval) \
do { \
virInterfacePtr _iface = (obj); \
if (!virObjectIsClass(_iface, virInterfaceClass) || \
!virObjectIsClass(_iface->conn, virConnectClass)) { \
virReportErrorHelper(VIR_FROM_INTERFACE, \
VIR_ERR_INVALID_INTERFACE, \
__FILE__, __FUNCTION__, __LINE__, \
__FUNCTION__); \
virDispatchError(NULL); \
return retval; \
} \
} while (0)
# define VIR_IS_STORAGE_POOL(obj) \
(virObjectIsClass((obj), virStoragePoolClass))

74
src/libvirt.c
View File

@ -534,9 +534,6 @@ DllMain(HINSTANCE instance ATTRIBUTE_UNUSED,
#define virLibStorageVolError(code, ...) \
virReportErrorHelper(VIR_FROM_STORAGE, code, __FILE__, \
__FUNCTION__, __LINE__, __VA_ARGS__)
#define virLibInterfaceError(code, ...) \
virReportErrorHelper(VIR_FROM_INTERFACE, code, __FILE__, \
__FUNCTION__, __LINE__, __VA_ARGS__)
#define virLibNodeDeviceError(code, ...) \
virReportErrorHelper(VIR_FROM_NODEDEV, code, __FILE__, \
__FUNCTION__, __LINE__, __VA_ARGS__)
@ -11419,11 +11416,8 @@ virInterfaceGetConnect(virInterfacePtr iface)
virResetLastError();
if (!VIR_IS_CONNECTED_INTERFACE(iface)) {
virLibInterfaceError(VIR_ERR_INVALID_INTERFACE, __FUNCTION__);
virDispatchError(NULL);
return NULL;
}
virCheckInterfaceReturn(iface, NULL);
return iface->conn;
}
@ -11730,11 +11724,8 @@ virInterfaceGetName(virInterfacePtr iface)
virResetLastError();
if (!VIR_IS_INTERFACE(iface)) {
virLibInterfaceError(VIR_ERR_INVALID_INTERFACE, __FUNCTION__);
virDispatchError(NULL);
return NULL;
}
virCheckInterfaceReturn(iface, NULL);
return iface->name;
}
@ -11757,11 +11748,8 @@ virInterfaceGetMACString(virInterfacePtr iface)
virResetLastError();
if (!VIR_IS_INTERFACE(iface)) {
virLibInterfaceError(VIR_ERR_INVALID_INTERFACE, __FUNCTION__);
virDispatchError(NULL);
return NULL;
}
virCheckInterfaceReturn(iface, NULL);
return iface->mac;
}
@ -11792,12 +11780,7 @@ virInterfaceGetXMLDesc(virInterfacePtr iface, unsigned int flags)
virResetLastError();
if (!VIR_IS_CONNECTED_INTERFACE(iface)) {
virLibInterfaceError(VIR_ERR_INVALID_INTERFACE, __FUNCTION__);
virDispatchError(NULL);
return NULL;
}
virCheckInterfaceReturn(iface, NULL);
conn = iface->conn;
if (conn->interfaceDriver && conn->interfaceDriver->interfaceGetXMLDesc) {
@ -11890,12 +11873,9 @@ virInterfaceUndefine(virInterfacePtr iface)
virResetLastError();
if (!VIR_IS_CONNECTED_INTERFACE(iface)) {
virLibInterfaceError(VIR_ERR_INVALID_INTERFACE, __FUNCTION__);
virDispatchError(NULL);
return -1;
}
virCheckInterfaceReturn(iface, -1);
conn = iface->conn;
virCheckReadOnlyGoto(conn->flags, error);
if (conn->interfaceDriver && conn->interfaceDriver->interfaceUndefine) {
@ -11936,12 +11916,9 @@ virInterfaceCreate(virInterfacePtr iface, unsigned int flags)
virResetLastError();
if (!VIR_IS_CONNECTED_INTERFACE(iface)) {
virLibInterfaceError(VIR_ERR_INVALID_INTERFACE, __FUNCTION__);
virDispatchError(NULL);
return -1;
}
virCheckInterfaceReturn(iface, -1);
conn = iface->conn;
virCheckReadOnlyGoto(conn->flags, error);
if (conn->interfaceDriver && conn->interfaceDriver->interfaceCreate) {
@ -11986,13 +11963,9 @@ virInterfaceDestroy(virInterfacePtr iface, unsigned int flags)
virResetLastError();
if (!VIR_IS_CONNECTED_INTERFACE(iface)) {
virLibInterfaceError(VIR_ERR_INVALID_INTERFACE, __FUNCTION__);
virDispatchError(NULL);
return -1;
}
virCheckInterfaceReturn(iface, -1);
conn = iface->conn;
virCheckReadOnlyGoto(conn->flags, error);
if (conn->interfaceDriver && conn->interfaceDriver->interfaceDestroy) {
@ -12035,11 +12008,8 @@ virInterfaceRef(virInterfacePtr iface)
virResetLastError();
if ((!VIR_IS_CONNECTED_INTERFACE(iface))) {
virLibConnError(VIR_ERR_INVALID_INTERFACE, __FUNCTION__);
virDispatchError(NULL);
return -1;
}
virCheckInterfaceReturn(iface, -1);
virObjectRef(iface);
return 0;
}
@ -12061,11 +12031,8 @@ virInterfaceFree(virInterfacePtr iface)
virResetLastError();
if (!VIR_IS_CONNECTED_INTERFACE(iface)) {
virLibInterfaceError(VIR_ERR_INVALID_INTERFACE, __FUNCTION__);
virDispatchError(NULL);
return -1;
}
virCheckInterfaceReturn(iface, -1);
virObjectUnref(iface);
return 0;
}
@ -17354,11 +17321,8 @@ virInterfaceIsActive(virInterfacePtr iface)
virResetLastError();
if (!VIR_IS_CONNECTED_INTERFACE(iface)) {
virLibConnError(VIR_ERR_INVALID_CONN, __FUNCTION__);
virDispatchError(NULL);
return -1;
}
virCheckInterfaceReturn(iface, -1);
if (iface->conn->interfaceDriver->interfaceIsActive) {
int ret;
ret = iface->conn->interfaceDriver->interfaceIsActive(iface);