Commit 07df8afa authored by Prakash, Sathya's avatar Prakash, Sathya Committed by James Bottomley

[SCSI] mpt fusion: Avoid racing when mptsas and mptcl module are loaded in parallel

This patch sets the IOC pointer in drvrdata of pcidev before adding
the IOC into the list of IOCs. Without this patch the driver oops when
the mptsas and mptctl modules are loaded in parallel.
Signed-off-by: default avatarSathya Prakash <sathya.prakash@lsi.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 90a95af8
......@@ -1658,6 +1658,9 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
ioc->active = 0;
CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
/* Set IOC ptr in the pcidev's driver data. */
pci_set_drvdata(ioc->pcidev, ioc);
/* Set lookup ptr. */
list_add_tail(&ioc->list, &ioc_list);
......@@ -1999,7 +2002,6 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
irq_allocated = 1;
ioc->pci_irq = ioc->pcidev->irq;
pci_set_master(ioc->pcidev); /* ?? */
pci_set_drvdata(ioc->pcidev, ioc);
dprintk(ioc, printk(MYIOC_s_INFO_FMT "installed at interrupt "
"%d\n", ioc->name, ioc->pcidev->irq));
}
......
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