mac80211: backport list_last_entry

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 43278

package/kernel/mac80211/patches/082-backport-list_last_entry.patch

@@ -0,0 +1,20 @@
+--- a/backport-include/linux/list.h
++++ b/backport-include/linux/list.h
+@@ -73,4 +73,17 @@
+ 	list_entry((pos)->member.next, typeof(*(pos)), member)
+ #endif /* list_next_entry */
+ 
++#ifndef list_last_entry
++/**
++ * list_last_entry - get the last element from a list
++ * @ptr:	the list head to take the element from.
++ * @type:	the type of the struct this is embedded in.
++ * @member:	the name of the list_struct within the struct.
++ *
++ * Note, that list is expected to be not empty.
++ */
++#define list_last_entry(ptr, type, member) \
++	list_entry((ptr)->prev, type, member)
++#endif
++
+ #endif /* __BACKPORT_LIST_H */