[SCSI] qla4xxx: Added AER support for ISP82xx

Added support for PCI error handling

Signed-off-by: Lalit Chandivade <lalit.chandivade@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Poornima Vonti <poornima.vonti@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c
index aa65697a86b4..2a1ab63f3eb0 100644
--- a/drivers/scsi/qla4xxx/ql4_isr.c
+++ b/drivers/scsi/qla4xxx/ql4_isr.c
@@ -816,6 +816,9 @@ irqreturn_t qla4_8xxx_intr_handler(int irq, void *dev_id)
         unsigned long flags = 0;
         uint8_t reqs_count = 0;
 
+        if (unlikely(pci_channel_offline(ha->pdev)))
+                return IRQ_HANDLED;
+
         ha->isr_count++;
         status = qla4_8xxx_rd_32(ha, ISR_INT_VECTOR);
         if (!(status & ha->nx_legacy_intr.int_vec_bit))