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authorJames Morris <jmorris@namei.org>2008-12-04 17:16:36 +1100
committerJames Morris <jmorris@namei.org>2008-12-04 17:16:36 +1100
commitec98ce480ada787f2cfbd696980ff3564415505b (patch)
tree1a4d644b38f9f1e4b4e086fde0b195df4a92cf84 /drivers/s390/scsi/zfcp_fsf.c
parent3496f92beb9aa99ef21fccc154a36c7698e9c538 (diff)
parentfeaf3848a813a106f163013af6fcf6c4bfec92d9 (diff)
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Merge branch 'master' into next
Conflicts: fs/nfsd/nfs4recover.c Manually fixed above to use new creds API functions, e.g. nfs4_save_creds(). Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'drivers/s390/scsi/zfcp_fsf.c')
-rw-r--r--drivers/s390/scsi/zfcp_fsf.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index d024442ee128..dc0367690405 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -930,8 +930,10 @@ struct zfcp_fsf_req *zfcp_fsf_abort_fcp_command(unsigned long old_req_id,
goto out;
req = zfcp_fsf_req_create(adapter, FSF_QTCB_ABORT_FCP_CMND,
req_flags, adapter->pool.fsf_req_abort);
- if (IS_ERR(req))
+ if (IS_ERR(req)) {
+ req = NULL;
goto out;
+ }
if (unlikely(!(atomic_read(&unit->status) &
ZFCP_STATUS_COMMON_UNBLOCKED)))
@@ -1584,6 +1586,7 @@ static void zfcp_fsf_open_wka_port_handler(struct zfcp_fsf_req *req)
wka_port->status = ZFCP_WKA_PORT_OFFLINE;
break;
case FSF_PORT_ALREADY_OPEN:
+ break;
case FSF_GOOD:
wka_port->handle = header->port_handle;
wka_port->status = ZFCP_WKA_PORT_ONLINE;
@@ -2113,18 +2116,21 @@ static inline void zfcp_fsf_trace_latency(struct zfcp_fsf_req *fsf_req)
static void zfcp_fsf_send_fcp_command_task_handler(struct zfcp_fsf_req *req)
{
- struct scsi_cmnd *scpnt = req->data;
+ struct scsi_cmnd *scpnt;
struct fcp_rsp_iu *fcp_rsp_iu = (struct fcp_rsp_iu *)
&(req->qtcb->bottom.io.fcp_rsp);
u32 sns_len;
char *fcp_rsp_info = (unsigned char *) &fcp_rsp_iu[1];
unsigned long flags;
- if (unlikely(!scpnt))
- return;
-
read_lock_irqsave(&req->adapter->abort_lock, flags);
+ scpnt = req->data;
+ if (unlikely(!scpnt)) {
+ read_unlock_irqrestore(&req->adapter->abort_lock, flags);
+ return;
+ }
+
if (unlikely(req->status & ZFCP_STATUS_FSFREQ_ABORTED)) {
set_host_byte(scpnt, DID_SOFT_ERROR);
set_driver_byte(scpnt, SUGGEST_RETRY);
@@ -2442,8 +2448,10 @@ struct zfcp_fsf_req *zfcp_fsf_send_fcp_ctm(struct zfcp_adapter *adapter,
goto out;
req = zfcp_fsf_req_create(adapter, FSF_QTCB_FCP_CMND, req_flags,
adapter->pool.fsf_req_scsi);
- if (IS_ERR(req))
+ if (IS_ERR(req)) {
+ req = NULL;
goto out;
+ }
req->status |= ZFCP_STATUS_FSFREQ_TASK_MANAGEMENT;
req->data = unit;