wlcore: fix some failure cases in wlcore_probe()

We need to release the IRQ if hw_info() or identify_chip() fails.  And
we need unregister the HW with mac80211 if there are any failures
after it's registered.

Signed-off-by: Luciano Coelho <coelho@ti.com>

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 372ccf277b1e..c5a9ffe6cc91 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -5520,12 +5520,12 @@ int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev)
         ret = wl12xx_get_hw_info(wl);
         if (ret < 0) {
                 wl1271_error("couldn't get hw info");
-                goto out;
+                goto out_irq;
         }
 
         ret = wl->ops->identify_chip(wl);
         if (ret < 0)
-                goto out;
+                goto out_irq;
 
         ret = wl1271_init_ieee80211(wl);
         if (ret)
@@ -5539,7 +5539,7 @@ int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev)
         ret = device_create_file(wl->dev, &dev_attr_bt_coex_state);
         if (ret < 0) {
                 wl1271_error("failed to create sysfs file bt_coex_state");
-                goto out_irq;
+                goto out_unreg;
         }
 
         /* Create sysfs file to get HW PG version */
@@ -5564,6 +5564,9 @@ out_hw_pg_ver:
 out_bt_coex_state:
         device_remove_file(wl->dev, &dev_attr_bt_coex_state);
 
+out_unreg:
+        wl1271_unregister_hw(wl);
+
 out_irq:
         free_irq(wl->irq, wl);