ath9k: remove replicated null check in ath_pci_aspm_init

Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index d704c8d9bae76af6299c825f9cff7413346514cc..91c2e64de799e0f7d52c162830872927a17f46a6 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -115,6 +115,8 @@ static void ath_pci_aspm_init(struct ath_common *common)
                return;
 
        parent = pdev->bus->self;
+       if (!parent)
+               return;
 
        if (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) {
                /* Bluetooth coexistance requires disabling ASPM. */
@@ -126,9 +128,6 @@ static void ath_pci_aspm_init(struct ath_common *common)
                 * Both upstream and downstream PCIe components should
                 * have the same ASPM settings.
                 */
-               if (!parent)
-                       return;
-
                pos = pci_pcie_cap(parent);
                pci_read_config_byte(parent, pos + PCI_EXP_LNKCTL, &aspm);
                aspm &= ~(PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1);
@@ -137,9 +136,6 @@ static void ath_pci_aspm_init(struct ath_common *common)
                return;
        }
 
-       if (!parent)
-               return;
-
        pos = pci_pcie_cap(parent);
        pci_read_config_byte(parent, pos +  PCI_EXP_LNKCTL, &aspm);
        if (aspm & (PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1)) {