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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2014-12-03 16:40:30 -0500 |
|---|---|---|
| committer | David Vrabel <david.vrabel@citrix.com> | 2014-12-04 12:42:01 +0000 |
| commit | c1a04339e55d808d328d28e3526df31e80b55383 (patch) | |
| tree | 2bd3e307984eabd271f8112069aabe685740e2ee /drivers/xen | |
| parent | 15390613b6554b554205d6d76cbbbb4a018a9ce4 (diff) | |
| download | linux-c1a04339e55d808d328d28e3526df31e80b55383.tar.gz linux-c1a04339e55d808d328d28e3526df31e80b55383.tar.bz2 linux-c1a04339e55d808d328d28e3526df31e80b55383.zip | |
xen/pciback: Remove tons of dereferences
A little cleanup. No functional difference.
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/xen-pciback/pci_stub.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c index e5ff09d8a242..843a2baffc2b 100644 --- a/drivers/xen/xen-pciback/pci_stub.c +++ b/drivers/xen/xen-pciback/pci_stub.c @@ -631,10 +631,12 @@ static pci_ers_result_t common_process(struct pcistub_device *psdev, { pci_ers_result_t res = result; struct xen_pcie_aer_op *aer_op; + struct xen_pcibk_device *pdev = psdev->pdev; + struct xen_pci_sharedinfo *sh_info = pdev->sh_info; int ret; /*with PV AER drivers*/ - aer_op = &(psdev->pdev->sh_info->aer_op); + aer_op = &(sh_info->aer_op); aer_op->cmd = aer_cmd ; /*useful for error_detected callback*/ aer_op->err = state; @@ -655,36 +657,36 @@ static pci_ers_result_t common_process(struct pcistub_device *psdev, * this flag to judge whether we need to check pci-front give aer * service ack signal */ - set_bit(_PCIB_op_pending, (unsigned long *)&psdev->pdev->flags); + set_bit(_PCIB_op_pending, (unsigned long *)&pdev->flags); /*It is possible that a pcifront conf_read_write ops request invokes * the callback which cause the spurious execution of wake_up. * Yet it is harmless and better than a spinlock here */ set_bit(_XEN_PCIB_active, - (unsigned long *)&psdev->pdev->sh_info->flags); + (unsigned long *)&sh_info->flags); wmb(); - notify_remote_via_irq(psdev->pdev->evtchn_irq); + notify_remote_via_irq(pdev->evtchn_irq); ret = wait_event_timeout(xen_pcibk_aer_wait_queue, !(test_bit(_XEN_PCIB_active, (unsigned long *) - &psdev->pdev->sh_info->flags)), 300*HZ); + &sh_info->flags)), 300*HZ); if (!ret) { if (test_bit(_XEN_PCIB_active, - (unsigned long *)&psdev->pdev->sh_info->flags)) { + (unsigned long *)&sh_info->flags)) { dev_err(&psdev->dev->dev, "pcifront aer process not responding!\n"); clear_bit(_XEN_PCIB_active, - (unsigned long *)&psdev->pdev->sh_info->flags); + (unsigned long *)&sh_info->flags); aer_op->err = PCI_ERS_RESULT_NONE; return res; } } - clear_bit(_PCIB_op_pending, (unsigned long *)&psdev->pdev->flags); + clear_bit(_PCIB_op_pending, (unsigned long *)&pdev->flags); if (test_bit(_XEN_PCIF_active, - (unsigned long *)&psdev->pdev->sh_info->flags)) { + (unsigned long *)&sh_info->flags)) { dev_dbg(&psdev->dev->dev, "schedule pci_conf service in " DRV_NAME "\n"); xen_pcibk_test_and_schedule_op(psdev->pdev); |