staging: lustre: mgc: fix 'error handling' issues

Fix 'error handling' issues found by Coverity version 6.6.1:
Unchecked return value (CHECKED_RETURN)
Calling function without checking return value.
Argument cannot be negative (NEGATIVE_RETURNS)
Negative value used as argument to a function expecting a
positive value.

Signed-off-by: Sebastien Buisson <sbuisson@ddn.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-4055
Reviewed-on: http://review.whamcloud.com/7842
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: James Nunez <james.a.nunez@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sebastien Buisson 2016-04-27 18:21:03 -04:00 committed by Greg Kroah-Hartman
parent 72a50e4f30
commit 7bbe9f838e

View File

@ -502,8 +502,12 @@ static void do_requeue(struct config_llog_data *cld)
*/
down_read(&cld->cld_mgcexp->exp_obd->u.cli.cl_sem);
if (cld->cld_mgcexp->exp_obd->u.cli.cl_conn_count != 0) {
int rc;
CDEBUG(D_MGC, "updating log %s\n", cld->cld_logname);
mgc_process_log(cld->cld_mgcexp->exp_obd, cld);
rc = mgc_process_log(cld->cld_mgcexp->exp_obd, cld);
if (rc && rc != -ENOENT)
CERROR("failed processing log: %d\n", rc);
} else {
CDEBUG(D_MGC, "disconnecting, won't update log %s\n",
cld->cld_logname);