ath5k: add an upstream patch to fix a memory leak

SVN-Revision: 27432

package/mac80211/patches/300-pending_work.patch

@@ -461,3 +461,23 @@
  void ar9003_hw_set_chain_masks(struct ath_hw *ah, u8 rx, u8 tx);
  
  #endif  /* AR9003_PHY_H */
+--- a/drivers/net/wireless/ath/ath5k/eeprom.c
++++ b/drivers/net/wireless/ath/ath5k/eeprom.c
+@@ -691,14 +691,12 @@ ath5k_eeprom_free_pcal_info(struct ath5k
+ 		if (!chinfo[pier].pd_curves)
+ 			continue;
+ 
+-		for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) {
++		for (pdg = 0; pdg < AR5K_EEPROM_N_PD_CURVES; pdg++) {
+ 			struct ath5k_pdgain_info *pd =
+ 					&chinfo[pier].pd_curves[pdg];
+ 
+-			if (pd != NULL) {
+-				kfree(pd->pd_step);
+-				kfree(pd->pd_pwr);
+-			}
++			kfree(pd->pd_step);
++			kfree(pd->pd_pwr);
+ 		}
+ 
+ 		kfree(chinfo[pier].pd_curves);