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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 <hongchao.zhang@intel.com>
Reviewed-on: http://review.whamcloud.com/12896
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5650
Reviewed-by: Fan Yong <fan.yong@intel.com>
Reviewed-by: Niu Yawei <yawei.niu@intel.com>
Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hongchao Zhang 2015-03-25 21:53:20 -04:00 committed by Greg Kroah-Hartman
parent 06fbc01a87
commit 1c8aa54aaf
1 changed files with 7 additions and 2 deletions
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9
drivers/staging/lustre/lustre/mgc/mgc_request.c
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@ -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