[PATCH 4/8] eeepc-laptop: pull out eeepc_destroy_rfkill

[Frans Klaver <fransklaver@gmail.com>]

In eeepc_rfkill_exit, we implement the same code four times. Pull out a
function that cleans up an rfkill object to get rid of the duplication.

Signed-off-by: Frans Klaver <fransklaver@gmail.com>
---
 drivers/platform/x86/eeepc-laptop.c | 34 ++++++++++++++--------------------
 1 file changed, 14 insertions(+), 20 deletions(-)

diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index e92ea41..73e8d39 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -823,35 +823,29 @@ static char EEEPC_RFKILL_NODE_1[] = "\\_SB.PCI0.P0P5";
 static char EEEPC_RFKILL_NODE_2[] = "\\_SB.PCI0.P0P6";
 static char EEEPC_RFKILL_NODE_3[] = "\\_SB.PCI0.P0P7";
 
+static inline void eeepc_destroy_rfkill(struct rfkill **rfkill)
+{
+	if (!*rfkill)
+		return;
+	rfkill_unregister(*rfkill);
+	rfkill_destroy(*rfkill);
+	*rfkill = NULL;
+}
+
 static void eeepc_rfkill_exit(struct eeepc_laptop *eeepc)
 {
 	eeepc_unregister_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_1);
 	eeepc_unregister_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_2);
 	eeepc_unregister_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_3);
-	if (eeepc->wlan_rfkill) {
-		rfkill_unregister(eeepc->wlan_rfkill);
-		rfkill_destroy(eeepc->wlan_rfkill);
-		eeepc->wlan_rfkill = NULL;
-	}
+
+	eeepc_destroy_rfkill(&eeepc->wlan_rfkill);
 
 	if (eeepc->hotplug_slot)
 		pci_hp_deregister(eeepc->hotplug_slot);
 
-	if (eeepc->bluetooth_rfkill) {
-		rfkill_unregister(eeepc->bluetooth_rfkill);
-		rfkill_destroy(eeepc->bluetooth_rfkill);
-		eeepc->bluetooth_rfkill = NULL;
-	}
-	if (eeepc->wwan3g_rfkill) {
-		rfkill_unregister(eeepc->wwan3g_rfkill);
-		rfkill_destroy(eeepc->wwan3g_rfkill);
-		eeepc->wwan3g_rfkill = NULL;
-	}
-	if (eeepc->wimax_rfkill) {
-		rfkill_unregister(eeepc->wimax_rfkill);
-		rfkill_destroy(eeepc->wimax_rfkill);
-		eeepc->wimax_rfkill = NULL;
-	}
+	eeepc_destroy_rfkill(&eeepc->bluetooth_rfkill);
+	eeepc_destroy_rfkill(&eeepc->wwan3g_rfkill);
+	eeepc_destroy_rfkill(&eeepc->wimax_rfkill);
 }
 
 static int eeepc_rfkill_init(struct eeepc_laptop *eeepc)
-- 
2.1.0