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[SCSI] qla2xxx: Save and restore irq in the response queue interrupt handler. 

Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Saurav Kashyap 2011-08-16 11:29:27 -07:00 committed by James Bottomley
parent bc91ade9b7
commit 3553d343e7
1 changed files with 3 additions and 2 deletions
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5
drivers/scsi/qla2xxx/qla_nx.c
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@ -2208,6 +2208,7 @@ qla82xx_msix_rsp_q(int irq, void *dev_id)
struct qla_hw_data *ha; struct qla_hw_data *ha;
struct rsp_que *rsp; struct rsp_que *rsp;
struct device_reg_82xx __iomem *reg; struct device_reg_82xx __iomem *reg;
unsigned long flags;
rsp = (struct rsp_que *) dev_id; rsp = (struct rsp_que *) dev_id;
if (!rsp) { if (!rsp) {
@ -2218,11 +2219,11 @@ qla82xx_msix_rsp_q(int irq, void *dev_id)
ha = rsp->hw; ha = rsp->hw;
reg = &ha->iobase->isp82; reg = &ha->iobase->isp82;
spin_lock_irq(&ha->hardware_lock); spin_lock_irqsave(&ha->hardware_lock, flags);
vha = pci_get_drvdata(ha->pdev); vha = pci_get_drvdata(ha->pdev);
qla24xx_process_response_queue(vha, rsp); qla24xx_process_response_queue(vha, rsp);
WRT_REG_DWORD(&reg->host_int, 0); WRT_REG_DWORD(&reg->host_int, 0);
spin_unlock_irq(&ha->hardware_lock); spin_unlock_irqrestore(&ha->hardware_lock, flags);
return IRQ_HANDLED; return IRQ_HANDLED;
} }