Signed-off-by: Tim Wiederhake <twiederh@xxxxxxxxxx> --- src/interface/interface_backend_netcf.c | 192 +++++++++++------------- 1 file changed, 86 insertions(+), 106 deletions(-) diff --git a/src/interface/interface_backend_netcf.c b/src/interface/interface_backend_netcf.c index 92698ee769..d625964421 100644 --- a/src/interface/interface_backend_netcf.c +++ b/src/interface/interface_backend_netcf.c @@ -155,31 +155,26 @@ netcfStateCleanup(void) static int netcfStateReload(void) { - int ret = -1; - if (!driver) return 0; - virObjectLock(driver); - ncf_close(driver->netcf); - if (ncf_init(&driver->netcf, NULL) != 0) { - /* this isn't a good situation, because we can't shut down the - * driver as there may still be connections to it. If we set - * the netcf handle to NULL, any subsequent calls to netcf - * will just fail rather than causing a crash. Not ideal, but - * livable (since this should never happen). - */ - virReportError(VIR_ERR_INTERNAL_ERROR, "%s", - _("failed to re-init netcf")); - driver->netcf = NULL; - goto cleanup; + VIR_WITH_OBJECT_LOCK_GUARD(driver) { + ncf_close(driver->netcf); + if (ncf_init(&driver->netcf, NULL) != 0) { + /* this isn't a good situation, because we can't shut down the + * driver as there may still be connections to it. If we set + * the netcf handle to NULL, any subsequent calls to netcf + * will just fail rather than causing a crash. Not ideal, but + * livable (since this should never happen). + */ + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("failed to re-init netcf")); + driver->netcf = NULL; + return -1; + } } - ret = 0; - cleanup: - virObjectUnlock(driver); - - return ret; + return 0; } @@ -528,66 +523,68 @@ static int netcfConnectListInterfacesImpl(virConnectPtr conn, static int netcfConnectNumOfInterfaces(virConnectPtr conn) { - int count; + int count = -1; if (virConnectNumOfInterfacesEnsureACL(conn) < 0) return -1; - virObjectLock(driver); - count = netcfConnectNumOfInterfacesImpl(conn, - NETCF_IFACE_ACTIVE, - virConnectNumOfInterfacesCheckACL); - virObjectUnlock(driver); + VIR_WITH_OBJECT_LOCK_GUARD(driver) { + count = netcfConnectNumOfInterfacesImpl(conn, + NETCF_IFACE_ACTIVE, + virConnectNumOfInterfacesCheckACL); + } + return count; } static int netcfConnectListInterfaces(virConnectPtr conn, char **const names, int nnames) { - int count; + int count = -1; if (virConnectListInterfacesEnsureACL(conn) < 0) return -1; - virObjectLock(driver); - count = netcfConnectListInterfacesImpl(conn, - NETCF_IFACE_ACTIVE, - names, nnames, - virConnectListInterfacesCheckACL); - virObjectUnlock(driver); - return count; + VIR_WITH_OBJECT_LOCK_GUARD(driver) { + count = netcfConnectListInterfacesImpl(conn, + NETCF_IFACE_ACTIVE, + names, nnames, + virConnectListInterfacesCheckACL); + } + return count; } static int netcfConnectNumOfDefinedInterfaces(virConnectPtr conn) { - int count; + int count = -1; if (virConnectNumOfDefinedInterfacesEnsureACL(conn) < 0) return -1; - virObjectLock(driver); - count = netcfConnectNumOfInterfacesImpl(conn, - NETCF_IFACE_INACTIVE, - virConnectNumOfDefinedInterfacesCheckACL); - virObjectUnlock(driver); + VIR_WITH_OBJECT_LOCK_GUARD(driver) { + count = netcfConnectNumOfInterfacesImpl(conn, + NETCF_IFACE_INACTIVE, + virConnectNumOfDefinedInterfacesCheckACL); + } + return count; } static int netcfConnectListDefinedInterfaces(virConnectPtr conn, char **const names, int nnames) { - int count; + int count = -1; if (virConnectListDefinedInterfacesEnsureACL(conn) < 0) return -1; - virObjectLock(driver); - count = netcfConnectListInterfacesImpl(conn, - NETCF_IFACE_INACTIVE, - names, nnames, - virConnectListDefinedInterfacesCheckACL); - virObjectUnlock(driver); - return count; + VIR_WITH_OBJECT_LOCK_GUARD(driver) { + count = netcfConnectListInterfacesImpl(conn, + NETCF_IFACE_INACTIVE, + names, nnames, + virConnectListDefinedInterfacesCheckACL); + } + return count; } #define MATCH(FLAG) (flags & (FLAG)) @@ -731,8 +728,8 @@ static virInterfacePtr netcfInterfaceLookupByName(virConnectPtr conn, struct netcf_if *iface; virInterfacePtr ret = NULL; g_autoptr(virInterfaceDef) def = NULL; + VIR_LOCK_GUARD lock = virObjectLockGuard(driver); - virObjectLock(driver); iface = ncf_lookup_by_name(driver->netcf, name); if (!iface) { const char *errmsg, *details; @@ -759,7 +756,6 @@ static virInterfacePtr netcfInterfaceLookupByName(virConnectPtr conn, cleanup: ncf_if_free(iface); - virObjectUnlock(driver); return ret; } @@ -770,8 +766,8 @@ static virInterfacePtr netcfInterfaceLookupByMACString(virConnectPtr conn, int niface; virInterfacePtr ret = NULL; g_autoptr(virInterfaceDef) def = NULL; + VIR_LOCK_GUARD lock = virObjectLockGuard(driver); - virObjectLock(driver); niface = ncf_lookup_by_mac_string(driver->netcf, macstr, 1, &iface); if (niface < 0) { @@ -806,7 +802,6 @@ static virInterfacePtr netcfInterfaceLookupByMACString(virConnectPtr conn, cleanup: ncf_if_free(iface); - virObjectUnlock(driver); return ret; } @@ -818,11 +813,10 @@ static char *netcfInterfaceGetXMLDesc(virInterfacePtr ifinfo, g_autoptr(virInterfaceDef) ifacedef = NULL; char *ret = NULL; bool active; + VIR_LOCK_GUARD lock = virObjectLockGuard(driver); virCheckFlags(VIR_INTERFACE_XML_INACTIVE, NULL); - virObjectLock(driver); - iface = interfaceDriverGetNetcfIF(driver->netcf, ifinfo); if (!iface) { /* helper already reported error */ @@ -865,7 +859,6 @@ static char *netcfInterfaceGetXMLDesc(virInterfacePtr ifinfo, cleanup: ncf_if_free(iface); VIR_FREE(xmlstr); - virObjectUnlock(driver); return ret; } @@ -877,11 +870,10 @@ static virInterfacePtr netcfInterfaceDefineXML(virConnectPtr conn, char *xmlstr = NULL; g_autoptr(virInterfaceDef) ifacedef = NULL; virInterfacePtr ret = NULL; + VIR_LOCK_GUARD lock = virObjectLockGuard(driver); virCheckFlags(VIR_INTERFACE_DEFINE_VALIDATE, NULL); - virObjectLock(driver); - ifacedef = virInterfaceDefParseString(xml, flags); if (!ifacedef) { /* error was already reported */ @@ -913,7 +905,6 @@ static virInterfacePtr netcfInterfaceDefineXML(virConnectPtr conn, cleanup: ncf_if_free(iface); VIR_FREE(xmlstr); - virObjectUnlock(driver); return ret; } @@ -922,8 +913,7 @@ static int netcfInterfaceUndefine(virInterfacePtr ifinfo) struct netcf_if *iface = NULL; g_autoptr(virInterfaceDef) def = NULL; int ret = -1; - - virObjectLock(driver); + VIR_LOCK_GUARD lock = virObjectLockGuard(driver); iface = interfaceDriverGetNetcfIF(driver->netcf, ifinfo); if (!iface) { @@ -951,7 +941,6 @@ static int netcfInterfaceUndefine(virInterfacePtr ifinfo) cleanup: ncf_if_free(iface); - virObjectUnlock(driver); return ret; } @@ -962,11 +951,10 @@ static int netcfInterfaceCreate(virInterfacePtr ifinfo, g_autoptr(virInterfaceDef) def = NULL; int ret = -1; bool active; + VIR_LOCK_GUARD lock = virObjectLockGuard(driver); virCheckFlags(0, -1); - virObjectLock(driver); - iface = interfaceDriverGetNetcfIF(driver->netcf, ifinfo); if (!iface) { /* helper already reported error */ @@ -1002,7 +990,6 @@ static int netcfInterfaceCreate(virInterfacePtr ifinfo, cleanup: ncf_if_free(iface); - virObjectUnlock(driver); return ret; } @@ -1013,11 +1000,10 @@ static int netcfInterfaceDestroy(virInterfacePtr ifinfo, g_autoptr(virInterfaceDef) def = NULL; int ret = -1; bool active; + VIR_LOCK_GUARD lock = virObjectLockGuard(driver); virCheckFlags(0, -1); - virObjectLock(driver); - iface = interfaceDriverGetNetcfIF(driver->netcf, ifinfo); if (!iface) { /* helper already reported error */ @@ -1053,7 +1039,6 @@ static int netcfInterfaceDestroy(virInterfacePtr ifinfo, cleanup: ncf_if_free(iface); - virObjectUnlock(driver); return ret; } @@ -1063,8 +1048,7 @@ static int netcfInterfaceIsActive(virInterfacePtr ifinfo) g_autoptr(virInterfaceDef) def = NULL; int ret = -1; bool active; - - virObjectLock(driver); + VIR_LOCK_GUARD lock = virObjectLockGuard(driver); iface = interfaceDriverGetNetcfIF(driver->netcf, ifinfo); if (!iface) { @@ -1085,82 +1069,78 @@ static int netcfInterfaceIsActive(virInterfacePtr ifinfo) cleanup: ncf_if_free(iface); - virObjectUnlock(driver); return ret; } static int netcfInterfaceChangeBegin(virConnectPtr conn, unsigned int flags) { - int ret; + int ret = -1; virCheckFlags(0, -1); /* currently flags must be 0 */ if (virInterfaceChangeBeginEnsureACL(conn) < 0) return -1; - virObjectLock(driver); - - ret = ncf_change_begin(driver->netcf, 0); - if (ret < 0) { - const char *errmsg, *details; - int errcode = ncf_error(driver->netcf, &errmsg, &details); - virReportError(netcf_to_vir_err(errcode), - _("failed to begin transaction: %s%s%s"), - errmsg, details ? " - " : "", - NULLSTR_EMPTY(details)); + VIR_WITH_OBJECT_LOCK_GUARD(driver) { + ret = ncf_change_begin(driver->netcf, 0); + if (ret < 0) { + const char *errmsg, *details; + int errcode = ncf_error(driver->netcf, &errmsg, &details); + virReportError(netcf_to_vir_err(errcode), + _("failed to begin transaction: %s%s%s"), + errmsg, details ? " - " : "", + NULLSTR_EMPTY(details)); + } } - virObjectUnlock(driver); return ret; } static int netcfInterfaceChangeCommit(virConnectPtr conn, unsigned int flags) { - int ret; + int ret = -1; virCheckFlags(0, -1); /* currently flags must be 0 */ if (virInterfaceChangeCommitEnsureACL(conn) < 0) return -1; - virObjectLock(driver); - - ret = ncf_change_commit(driver->netcf, 0); - if (ret < 0) { - const char *errmsg, *details; - int errcode = ncf_error(driver->netcf, &errmsg, &details); - virReportError(netcf_to_vir_err(errcode), - _("failed to commit transaction: %s%s%s"), - errmsg, details ? " - " : "", - NULLSTR_EMPTY(details)); + VIR_WITH_OBJECT_LOCK_GUARD(driver) { + ret = ncf_change_commit(driver->netcf, 0); + if (ret < 0) { + const char *errmsg, *details; + int errcode = ncf_error(driver->netcf, &errmsg, &details); + virReportError(netcf_to_vir_err(errcode), + _("failed to commit transaction: %s%s%s"), + errmsg, details ? " - " : "", + NULLSTR_EMPTY(details)); + } } - virObjectUnlock(driver); return ret; } static int netcfInterfaceChangeRollback(virConnectPtr conn, unsigned int flags) { - int ret; + int ret = -1; virCheckFlags(0, -1); /* currently flags must be 0 */ if (virInterfaceChangeRollbackEnsureACL(conn) < 0) return -1; - virObjectLock(driver); - - ret = ncf_change_rollback(driver->netcf, 0); - if (ret < 0) { - const char *errmsg, *details; - int errcode = ncf_error(driver->netcf, &errmsg, &details); - virReportError(netcf_to_vir_err(errcode), - _("failed to rollback transaction: %s%s%s"), - errmsg, details ? " - " : "", - NULLSTR_EMPTY(details)); + VIR_WITH_OBJECT_LOCK_GUARD(driver) { + ret = ncf_change_rollback(driver->netcf, 0); + if (ret < 0) { + const char *errmsg, *details; + int errcode = ncf_error(driver->netcf, &errmsg, &details); + virReportError(netcf_to_vir_err(errcode), + _("failed to rollback transaction: %s%s%s"), + errmsg, details ? " - " : "", + NULLSTR_EMPTY(details)); + } } - virObjectUnlock(driver); return ret; } -- 2.31.1