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bnx2x: do not deal with power if no capability

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Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Vladislav Zolotarov <vladz@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dmitry Kravkov 2010-10-17 23:10:02 +00:00 committed by David S. Miller
parent e3dba8141b
commit adf5f6a18f
1 changed files with 6 additions and 0 deletions
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6
drivers/net/bnx2x/bnx2x_cmn.c
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@ -1521,6 +1521,12 @@ int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state)
{
u16 pmcsr;
/* If there is no power capability, silently succeed */
if (!bp->pm_cap) {
DP(NETIF_MSG_HW, "No power capability. Breaking.\n");
return 0;
}
pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr);
switch (state) {