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scst: Always check scst_suspend_activity() return value (merge r8244 from trunk)

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This patch suppresses a Coverity complaint.


git-svn-id: http://svn.code.sf.net/p/scst/svn/branches/3.3.x@8502 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2019-08-14 23:04:28 +00:00
parent c33be34a41
commit 51965d8424
2 changed files with 12 additions and 5 deletions
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scst/src/scst_copy_mgr.c
+4 -2
View File
@@ -2668,13 +2668,15 @@ out:
void scst_cm_update_dev(struct scst_device *dev)
{
int rc;
int rc, res;
TRACE_ENTRY();
TRACE_MGMT_DBG("copy manager: updating device %s", dev->virt_name);
scst_suspend_activity(SCST_SUSPEND_TIMEOUT_UNLIMITED);
res = scst_suspend_activity(SCST_SUSPEND_TIMEOUT_UNLIMITED);
WARN_ON_ONCE(res);
mutex_lock(&scst_mutex);
scst_cm_dev_unregister(dev, false);
scst/src/scst_main.c
+8 -3
View File
@@ -612,6 +612,7 @@ void scst_unregister_target(struct scst_tgt *tgt)
#ifndef CONFIG_SCST_PROC
struct scst_acg *acg, *acg_tmp;
#endif
int res;
TRACE_ENTRY();
@@ -668,7 +669,9 @@ again:
wait_event(tgt->unreg_waitQ, list_empty(&tgt->sysfs_sess_list));
TRACE_DBG("%s", "wait_event() returned");
scst_suspend_activity(SCST_SUSPEND_TIMEOUT_UNLIMITED);
res = scst_suspend_activity(SCST_SUSPEND_TIMEOUT_UNLIMITED);
WARN_ON_ONCE(res);
mutex_lock(&scst_mutex);
mutex_lock(&scst_mutex2);
@@ -1760,11 +1763,13 @@ void scst_unregister_dev_driver(struct scst_dev_type *dev_type)
{
struct scst_device *dev;
struct scst_dev_type *dt;
int found = 0;
int res, found = 0;
TRACE_ENTRY();
scst_suspend_activity(SCST_SUSPEND_TIMEOUT_UNLIMITED);
res = scst_suspend_activity(SCST_SUSPEND_TIMEOUT_UNLIMITED);
WARN_ON_ONCE(res);
mutex_lock(&scst_mutex);
list_for_each_entry(dt, &scst_dev_type_list, dev_type_list_entry) {