From: Amir Shehata <amir.shehata@xxxxxxxxx> After adding a route, lnet_check_routes() is called to ensure that the route added doesn't invalidate the routing configuration. If lnet_check_routes() fails then the route just added, which caused the current configuration to be invalidated is deleted, and an error is returned to the user. Signed-off-by: Amir Shehata <amir.shehata@xxxxxxxxx> Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6218 Reviewed-on: http://review.whamcloud.com/13445 Reviewed-by: Liang Zhen <liang.zhen@xxxxxxxxx> Reviewed-by: Doug Oucharek <doug.s.oucharek@xxxxxxxxx> Reviewed-by: Oleg Drokin <oleg.drokin@xxxxxxxxx> --- drivers/staging/lustre/lnet/lnet/api-ni.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-) diff --git a/drivers/staging/lustre/lnet/lnet/api-ni.c b/drivers/staging/lustre/lnet/lnet/api-ni.c index ccd7dcd..ed121a8 100644 --- a/drivers/staging/lustre/lnet/lnet/api-ni.c +++ b/drivers/staging/lustre/lnet/lnet/api-ni.c @@ -1907,8 +1907,14 @@ LNetCtl(unsigned int cmd, void *arg) config->cfg_config_u.cfg_route.rtr_hop, config->cfg_nid, config->cfg_config_u.cfg_route.rtr_priority); + if (!rc) { + rc = lnet_check_routes(); + if (rc) + lnet_del_route(config->cfg_net, + config->cfg_nid); + } mutex_unlock(&the_lnet.ln_api_mutex); - return rc ? rc : lnet_check_routes(); + return rc; case IOC_LIBCFS_DEL_ROUTE: config = arg; -- 1.7.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
