提交 04efb878 编写于 作者: D David S. Miller

[CASSINI]: Check pci_set_mwi() return value.

Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 ba78073e
......@@ -4919,7 +4919,10 @@ static int __devinit cas_init_one(struct pci_dev *pdev,
pci_cmd &= ~PCI_COMMAND_SERR;
pci_cmd |= PCI_COMMAND_PARITY;
pci_write_config_word(pdev, PCI_COMMAND, pci_cmd);
pci_set_mwi(pdev);
if (pci_set_mwi(pdev))
printk(KERN_WARNING PFX "Could enable MWI for %s\n",
pci_name(pdev));
/*
* On some architectures, the default cache line size set
* by pci_set_mwi reduces perforamnce. We have to increase
......
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