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mac80211: backport list_last_entry

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

SVN-Revision: 43278
This commit is contained in:
Felix Fietkau 2014-11-16 11:39:01 +00:00
parent 6abb5f7a21
commit 25d508dcd9
1 changed files with 20 additions and 0 deletions
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20
package/kernel/mac80211/patches/082-backport-list_last_entry.patch Normal file
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@ -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 */