mac80211: backport list_last_entry

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@43278 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/kernel/mac80211/patches/082-backport-list_last_entry.patch b/package/kernel/mac80211/patches/082-backport-list_last_entry.patch
new file mode 100644 (file)
index 0000000..4ee9047
--- /dev/null
+++ b/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 */