ath5k: Check if pci pdev struct is initialized in common functions.

To be able to support other busses than PCI check if pci device
structure is initialized.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Wojciech Dubowik <Wojciech.Dubowik@neratec.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

4 files changed, 10 insertions, 8 deletions

diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c
index a84782a63e0a..86f6fec069e8 100644
--- a/drivers/net/wireless/ath/ath5k/attach.c
+++ b/drivers/net/wireless/ath/ath5k/attach.c
@@ -273,7 +273,7 @@ int ath5k_hw_init(struct ath5k_softc *sc)
         /*
          * Write PCI-E power save settings
          */
-        if ((ah->ah_version == AR5K_AR5212) && (pdev->is_pcie)) {
+        if ((ah->ah_version == AR5K_AR5212) && pdev && (pdev->is_pcie)) {
                 ath5k_hw_reg_write(ah, 0x9248fc00, AR5K_PCIE_SERDES);
                 ath5k_hw_reg_write(ah, 0x24924924, AR5K_PCIE_SERDES);
 
@@ -305,8 +305,7 @@ int ath5k_hw_init(struct ath5k_softc *sc)
         /* Get misc capabilities */
         ret = ath5k_hw_set_capabilities(ah);
         if (ret) {
-                ATH5K_ERR(sc, "unable to get device capabilities: 0x%04x\n",
-                        sc->pdev->device);
+                ATH5K_ERR(sc, "unable to get device capabilities\n");
                 goto err;
         }
 
diff --git a/drivers/net/wireless/ath/ath5k/led.c b/drivers/net/wireless/ath/ath5k/led.c
index 67aa52e9bf94..1f5a991aa0a9 100644
--- a/drivers/net/wireless/ath/ath5k/led.c
+++ b/drivers/net/wireless/ath/ath5k/led.c
@@ -133,7 +133,7 @@ ath5k_register_led(struct ath5k_softc *sc, struct ath5k_led *led,
         led->led_dev.default_trigger = trigger;
         led->led_dev.brightness_set = ath5k_led_brightness_set;
 
-        err = led_classdev_register(&sc->pdev->dev, &led->led_dev);
+        err = led_classdev_register(sc->dev, &led->led_dev);
         if (err) {
                 ATH5K_WARN(sc, "could not register LED %s\n", name);
                 led->sc = NULL;
@@ -165,6 +165,9 @@ int ath5k_init_leds(struct ath5k_softc *sc)
         char name[ATH5K_LED_MAX_NAME_LEN + 1];
         const struct pci_device_id *match;
 
+        if (!sc->pdev)
+                return 0;
+
         match = pci_match_id(&ath5k_led_devices[0], pdev);
         if (match) {
                 __set_bit(ATH_STAT_LEDSOFT, sc->status);
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index 7d8ef8decf00..f2f889d0cf59 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -471,7 +471,7 @@ int ath5k_hw_on_hold(struct ath5k_hw *ah)
          * we ingore that flag for PCI-E cards. On PCI cards
          * this flag gets cleared after 64 PCI clocks.
          */
-        bus_flags = (pdev->is_pcie) ? 0 : AR5K_RESET_CTL_PCI;
+        bus_flags = (pdev && pdev->is_pcie) ? 0 : AR5K_RESET_CTL_PCI;
 
         if (ah->ah_version == AR5K_AR5210) {
                 ret = ath5k_hw_nic_reset(ah, AR5K_RESET_CTL_PCU |
@@ -526,7 +526,7 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
          * we ingore that flag for PCI-E cards. On PCI cards
          * this flag gets cleared after 64 PCI clocks.
          */
-        bus_flags = (pdev->is_pcie) ? 0 : AR5K_RESET_CTL_PCI;
+        bus_flags = (pdev && pdev->is_pcie) ? 0 : AR5K_RESET_CTL_PCI;
 
         if (ah->ah_version == AR5K_AR5210) {
                 ret = ath5k_hw_nic_reset(ah, AR5K_RESET_CTL_PCU |
diff --git a/drivers/net/wireless/ath/ath5k/sysfs.c b/drivers/net/wireless/ath/ath5k/sysfs.c
index 90757de7bf59..929c68cdf8ab 100644
--- a/drivers/net/wireless/ath/ath5k/sysfs.c
+++ b/drivers/net/wireless/ath/ath5k/sysfs.c
@@ -95,7 +95,7 @@ static struct attribute_group ath5k_attribute_group_ani = {
 int
 ath5k_sysfs_register(struct ath5k_softc *sc)
 {
-        struct device *dev = &sc->pdev->dev;
+        struct device *dev = sc->dev;
         int err;
 
         err = sysfs_create_group(&dev->kobj, &ath5k_attribute_group_ani);
@@ -110,7 +110,7 @@ ath5k_sysfs_register(struct ath5k_softc *sc)
 void
 ath5k_sysfs_unregister(struct ath5k_softc *sc)
 {
-        struct device *dev = &sc->pdev->dev;
+        struct device *dev = sc->dev;
 
         sysfs_remove_group(&dev->kobj, &ath5k_attribute_group_ani);
 }