From: Hongchao Zhang Date: Thu, 26 Mar 2015 01:53:20 +0000 (-0400) Subject: staging/lustre/mgc: check the import stat for lprocfs X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1c8aa54aaf2c74a28a9e427bb27fd1a12fca8536;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git staging/lustre/mgc: check the import stat for lprocfs in lprocfs_mgc_rd_ir_state, the import state should be checked the validity before doing further work. Signed-off-by: Hongchao Zhang Reviewed-on: http://review.whamcloud.com/12896 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5650 Reviewed-by: Fan Yong Reviewed-by: Niu Yawei Signed-off-by: Oleg Drokin Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/lustre/lustre/mgc/mgc_request.c b/drivers/staging/lustre/lustre/mgc/mgc_request.c index 0375bfe29a7d..3f00e775cbff 100644 --- a/drivers/staging/lustre/lustre/mgc/mgc_request.c +++ b/drivers/staging/lustre/lustre/mgc/mgc_request.c @@ -452,10 +452,14 @@ static int config_log_end(char *logname, struct config_llog_instance *cfg) int lprocfs_mgc_rd_ir_state(struct seq_file *m, void *data) { struct obd_device *obd = data; - struct obd_import *imp = obd->u.cli.cl_import; - struct obd_connect_data *ocd = &imp->imp_connect_data; + struct obd_import *imp; + struct obd_connect_data *ocd; struct config_llog_data *cld; + LPROCFS_CLIMP_CHECK(obd); + imp = obd->u.cli.cl_import; + ocd = &imp->imp_connect_data; + seq_printf(m, "imperative_recovery: %s\n", OCD_HAS_FLAG(ocd, IMP_RECOV) ? "ENABLED" : "DISABLED"); seq_printf(m, "client_state:\n"); @@ -470,6 +474,7 @@ int lprocfs_mgc_rd_ir_state(struct seq_file *m, void *data) } spin_unlock(&config_list_lock); + LPROCFS_CLIMP_EXIT(obd); return 0; } #endif