[SCSI] zfcp: use of uninitialized variable
commit 988d955c3314336d716a9208f3d565b06f262e07
Author: Swen Schillig <swen@vnet.ibm.com>
Date: Fri Feb 9 09:40:11 2007 +0100
Use of uninitialized variable.
ERP action might not be finished accordingly.
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index c88babc..9d3c4a9 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -841,29 +841,27 @@
*
* returns: 0
*/
-static int
+static void
zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action)
{
- int retval = 0;
- struct zfcp_fsf_req *fsf_req = NULL;
struct zfcp_adapter *adapter = erp_action->adapter;
if (erp_action->fsf_req) {
/* take lock to ensure that request is not deleted meanwhile */
spin_lock(&adapter->req_list_lock);
- if ((!zfcp_reqlist_ismember(adapter,
- erp_action->fsf_req->req_id)) &&
- (fsf_req->erp_action == erp_action)) {
+ if (zfcp_reqlist_ismember(adapter,
+ erp_action->fsf_req->req_id)) {
/* fsf_req still exists */
debug_text_event(adapter->erp_dbf, 3, "a_ca_req");
- debug_event(adapter->erp_dbf, 3, &fsf_req,
+ debug_event(adapter->erp_dbf, 3, &erp_action->fsf_req,
sizeof (unsigned long));
/* dismiss fsf_req of timed out/dismissed erp_action */
if (erp_action->status & (ZFCP_STATUS_ERP_DISMISSED |
ZFCP_STATUS_ERP_TIMEDOUT)) {
debug_text_event(adapter->erp_dbf, 3,
"a_ca_disreq");
- fsf_req->status |= ZFCP_STATUS_FSFREQ_DISMISSED;
+ erp_action->fsf_req->status |=
+ ZFCP_STATUS_FSFREQ_DISMISSED;
}
if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT) {
ZFCP_LOG_NORMAL("error: erp step timed out "
@@ -876,11 +874,11 @@
* then keep it running asynchronously and don't mess
* with the association of erp_action and fsf_req.
*/
- if (fsf_req->status & (ZFCP_STATUS_FSFREQ_COMPLETED |
+ if (erp_action->fsf_req->status &
+ (ZFCP_STATUS_FSFREQ_COMPLETED |
ZFCP_STATUS_FSFREQ_DISMISSED)) {
/* forget about association between fsf_req
and erp_action */
- fsf_req->erp_action = NULL;
erp_action->fsf_req = NULL;
}
} else {
@@ -894,8 +892,6 @@
spin_unlock(&adapter->req_list_lock);
} else
debug_text_event(adapter->erp_dbf, 3, "a_ca_noreq");
-
- return retval;
}
/**