pm8001: Fix invalid return when request_irq() failed

When a call to request_irq() failed pm8001_setup_msix()
still returns the success. This udate fixes the described
misbehaviour.

Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Acked-by: Jack Wang <xjtuwjp@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 236fba4..e49623a 100644 (file)
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -763,9 +763,10 @@ static u32 pm8001_setup_msix(struct pm8001_hba_info *pm8001_ha)
                        pm8001_ha->irq_vector[i].irq_id = i;
                        pm8001_ha->irq_vector[i].drv_inst = pm8001_ha;
 
-                       if (request_irq(pm8001_ha->msix_entries[i].vector,
+                       rc = request_irq(pm8001_ha->msix_entries[i].vector,
                                pm8001_interrupt_handler_msix, flag,
-                               intr_drvname[i], &(pm8001_ha->irq_vector[i]))) {
+                               intr_drvname[i], &(pm8001_ha->irq_vector[i]));
+                       if (rc) {
                                for (j = 0; j < i; j++)
                                        free_irq(
                                        pm8001_ha->msix_entries[j].vector,