mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-01 14:44:12 +00:00
Code Issues Releases Wiki Activity

scsi: fnic: Correcting rport check location in fnic_queuecommand_lck

Browse source 
Signed-off-by: Satish Kharat <satishkh@cisco.com>
Signed-off-by: Sesidhar Baddela <sebaddel@cisco.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Satish Kharat 2016-11-16 00:54:01 -08:00 committed by Martin K. Petersen
parent 141f816510
commit 6008e96b81
1 changed files with 18 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
drivers/scsi/fnic/fnic_scsi.c
View file

@ -441,30 +441,38 @@ static int fnic_queuecommand_lck(struct scsi_cmnd *sc, void (*done)(struct scsi_
unsigned long ptr;
spinlock_t *io_lock = NULL;
int io_lock_acquired = 0;
struct fc_rport_libfc_priv *rp;
if (unlikely(fnic_chk_state_flags_locked(fnic, FNIC_FLAGS_IO_BLOCKED)))
return SCSI_MLQUEUE_HOST_BUSY;
rport = starget_to_rport(scsi_target(sc->device));
if (!rport) {
FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
"returning DID_NO_CONNECT for IO as rport is NULL\n");
sc->result = DID_NO_CONNECT << 16;
done(sc);
return 0;
}
ret = fc_remote_port_chkready(rport);
if (ret) {
FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
"rport is not ready\n");
atomic64_inc(&fnic_stats->misc_stats.rport_not_ready);
sc->result = ret;
done(sc);
return 0;
}
if (rport) {
struct fc_rport_libfc_priv *rp = rport->dd_data;
if (!rp || rp->rp_state != RPORT_ST_READY) {
FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
rp = rport->dd_data;
if (!rp || rp->rp_state != RPORT_ST_READY) {
FNIC_SCSI_DBG(KERN_DEBUG, fnic->lport->host,
"returning DID_NO_CONNECT for IO as rport is removed\n");
atomic64_inc(&fnic_stats->misc_stats.rport_not_ready);
sc->result = DID_NO_CONNECT<<16;
done(sc);
return 0;
}
atomic64_inc(&fnic_stats->misc_stats.rport_not_ready);
sc->result = DID_NO_CONNECT<<16;
done(sc);
return 0;
}
if (lp->state != LPORT_ST_READY || !(lp->link_up))