[PATCH net-next 4/5] bnx2x: do not deal with power if no capability
From: Dmitry Kravkov <hidden>
Date: 2010-10-10 22:32:33
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Signed-off-by: Dmitry Kravkov <redacted> Signed-off-by: Vladislav Zolotarov <redacted> Signed-off-by: Eilon Greenstein <redacted> --- drivers/net/bnx2x/bnx2x_cmn.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c
index 3f0540c..9a3208e 100644
--- a/drivers/net/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/bnx2x/bnx2x_cmn.c@@ -1520,6 +1520,12 @@ 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) {
--
1.7.1