[SCSI] qla4xxx: initialize MSI in correct way

IRQF_SHARED flag should not be set when calling request_irq for MSI since
this interrupt mechanism cannot be shared like standard INTx

Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: Shyam Sundar <shyam.sundar@qlogic.com>
Signed-off-by: Ravi Anand <ravi.anand@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

drivers/scsi/qla4xxx/ql4_isr.c

@@ -1077,7 +1077,7 @@ int qla4xxx_request_irqs(struct scsi_qla_host *ha)
 	ret = pci_enable_msi(ha->pdev);
 	if (!ret) {
 		ret = request_irq(ha->pdev->irq, qla4_8xxx_msi_handler,
-			IRQF_SHARED, DRIVER_NAME, ha);
+			0, DRIVER_NAME, ha);
 		if (!ret) {
 			DEBUG2(ql4_printk(KERN_INFO, ha, "MSI: Enabled.\n"));
 			set_bit(AF_MSI_ENABLED, &ha->flags);