[CASSINI]: Check pci_set_mwi() return value.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 4aec747d9e437a819f6e0127598a35a4f373a88d..9fe3a38883ee7037fa834315bf4d651e04afa6f2 100644 (file)
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -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