iwlwifi: allocated rx page accounting cleanup
In iwlwifi, priv->alloc_rxb_page is used to keep track of the Rx
pages allocated by the driver. This cleans up the page free routines
by introducing __iwl_free_pages/iwl_free_pages so that the accounting
is more accurate and less error prone. This also fixes two instances where
the counter was not updated.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 2673e9a..e1032f2 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1353,4 +1353,15 @@
return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
}
+static inline void __iwl_free_pages(struct iwl_priv *priv, struct page *page)
+{
+ __free_pages(page, priv->hw_params.rx_page_order);
+ priv->alloc_rxb_page--;
+}
+
+static inline void iwl_free_pages(struct iwl_priv *priv, unsigned long page)
+{
+ free_pages(page, priv->hw_params.rx_page_order);
+ priv->alloc_rxb_page--;
+}
#endif /* __iwl_dev_h__ */