3.8.13.24 -stable review patch. If anyone has any objections, please let me know.
------------------
From: Oleg Nesterov <oleg@xxxxxxxxxx>
[ Upstream commit 008208c6b26f21c2648c250a09c55e737c02c5f8 ]
Add two trivial helpers list_next_entry() and list_prev_entry(), they
can have a lot of users including list.h itself. In fact the 1st one is
already defined in events/core.c and bnx2x_sp.c, so the patch simply
moves the definition to list.h.
Signed-off-by: Oleg Nesterov <oleg@xxxxxxxxxx>
Cc: Eilon Greenstein <eilong@xxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c | 3 ---
include/linux/list.h | 16 ++++++++++++++++
kernel/events/core.c | 3 ---
3 files changed, 16 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
index 09b625e..faabbab 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c
@@ -1032,9 +1032,6 @@ static void bnx2x_set_one_vlan_mac_e1h(struct bnx2x *bp,
ETH_VLAN_FILTER_CLASSIFY, config);
}
-#define list_next_entry(pos, member) \
- list_entry((pos)->member.next, typeof(*(pos)), member)
-
/**
* bnx2x_vlan_mac_restore - reconfigure next MAC/VLAN/VLAN-MAC element
*
diff --git a/include/linux/list.h b/include/linux/list.h
index cc6d2aa..1712c7e 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -362,6 +362,22 @@ static inline void list_splice_tail_init(struct list_head *list,
list_entry((ptr)->next, type, member)
/**
+ * list_next_entry - get the next element in list
+ * @pos: the type * to cursor
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_next_entry(pos, member) \
+ list_entry((pos)->member.next, typeof(*(pos)), member)
+
+/**
+ * list_prev_entry - get the prev element in list
+ * @pos: the type * to cursor
+ * @member: the name of the list_struct within the struct.
+ */
+#define list_prev_entry(pos, member) \
+ list_entry((pos)->member.prev, typeof(*(pos)), member)
+
+/**
* list_for_each - iterate over a list
* @pos: the &struct list_head to use as a loop cursor.
* @head: the head for your list.
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 108aa71..21b70df 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -1978,9 +1978,6 @@ static void __perf_event_sync_stat(struct perf_event *event,
perf_event_update_userpage(next_event);
}
-#define list_next_entry(pos, member) \
- list_entry(pos->member.next, typeof(*pos), member)
-
static void perf_event_sync_stat(struct perf_event_context *ctx,
struct perf_event_context *next_ctx)
{
--
1.9.1
--
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