[SCSI] lpfc 8.3.44: Fixed IO hang when in msi mode.

Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 8f580fda443f..838e5b991851 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -8032,7 +8032,8 @@ lpfc_sli4_scmd_to_wqidx_distr(struct lpfc_hba *phba)
         struct lpfc_vector_map_info *cpup;
         int chann, cpu;
 
-        if (phba->cfg_fcp_io_sched == LPFC_FCP_SCHED_BY_CPU) {
+        if (phba->cfg_fcp_io_sched == LPFC_FCP_SCHED_BY_CPU
+            && phba->cfg_fcp_io_channel > 1) {
                 cpu = smp_processor_id();
                 if (cpu < phba->sli4_hba.num_present_cpu) {
                         cpup = phba->sli4_hba.cpu_map;