*/
#include <linux/init.h>
+#include <linux/slab.h>
#include <linux/module.h>
#include <linux/etherdevice.h>
#include <net/mac80211.h>
/*
* this buffer is used for rx stream reconstruction.
* Under heavy load this device (or the transport layer?)
- * tends to split the streams into seperate rx descriptors.
+ * tends to split the streams into separate rx descriptors.
*/
skb = __dev_alloc_skb(AR9170_MAX_RX_BUFFER_SIZE, GFP_KERNEL);
dev_info(pdev, "Atheros AR9170 is registered as '%s'\n",
wiphy_name(ar->hw->wiphy));
- return err;
+ ar->registered = true;
+ return 0;
err_unreg:
ieee80211_unregister_hw(ar->hw);
void ar9170_unregister(struct ar9170 *ar)
{
+ if (ar->registered) {
#ifdef CONFIG_AR9170_LEDS
- ar9170_unregister_leds(ar);
+ ar9170_unregister_leds(ar);
#endif /* CONFIG_AR9170_LEDS */
- kfree_skb(ar->rx_failover);
ieee80211_unregister_hw(ar->hw);
+ }
+
+ kfree_skb(ar->rx_failover);
mutex_destroy(&ar->mutex);
}