Patch "trace/xdp: fix compile warning: 'struct bpf_map' declared inside parameter list" has been added to the 4.14-stable tree

Patch "trace/xdp: fix compile warning: 'struct bpf_map' declared inside parameter list" has been added to the 4.14-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    trace/xdp: fix compile warning: 'struct bpf_map' declared inside parameter list

to the 4.14-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     trace-xdp-fix-compile-warning-struct-bpf_map-declared-inside-parameter-list.patch
and it can be found in the queue-4.14 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From foo@baz Fri Feb 23 11:45:09 CET 2018
From: Xie XiuQi <xiexiuqi@huawei.com>
Date: Thu, 30 Nov 2017 09:41:29 +0800
Subject: trace/xdp: fix compile warning: 'struct bpf_map' declared inside parameter list

From: Xie XiuQi <xiexiuqi@huawei.com>


[ Upstream commit 23721a755f98ac846897a013c92cccb281c1bcc8 ]

We meet this compile warning, which caused by missing bpf.h in xdp.h.

In file included from ./include/trace/events/xdp.h:10:0,
                 from ./include/linux/bpf_trace.h:6,
                 from drivers/net/ethernet/intel/i40e/i40e_txrx.c:29:
./include/trace/events/xdp.h:93:17: warning: ‘struct bpf_map’ declared inside parameter list will not be visible outside of this definition or declaration
    const struct bpf_map *map, u32 map_index),
                 ^
./include/linux/tracepoint.h:187:34: note: in definition of macro ‘__DECLARE_TRACE’
  static inline void trace_##name(proto)    \
                                  ^~~~~
./include/linux/tracepoint.h:352:24: note: in expansion of macro ‘PARAMS’
  __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args),  \
                        ^~~~~~
./include/linux/tracepoint.h:477:2: note: in expansion of macro ‘DECLARE_TRACE’
  DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
  ^~~~~~~~~~~~~
./include/linux/tracepoint.h:477:22: note: in expansion of macro ‘PARAMS’
  DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
                      ^~~~~~
./include/trace/events/xdp.h:89:1: note: in expansion of macro ‘DEFINE_EVENT’
 DEFINE_EVENT(xdp_redirect_template, xdp_redirect,
 ^~~~~~~~~~~~
./include/trace/events/xdp.h:90:2: note: in expansion of macro ‘TP_PROTO’
  TP_PROTO(const struct net_device *dev,
  ^~~~~~~~
./include/trace/events/xdp.h:93:17: warning: ‘struct bpf_map’ declared inside parameter list will not be visible outside of this definition or declaration
    const struct bpf_map *map, u32 map_index),
                 ^
./include/linux/tracepoint.h:203:38: note: in definition of macro ‘__DECLARE_TRACE’
  register_trace_##name(void (*probe)(data_proto), void *data) \
                                      ^~~~~~~~~~
./include/linux/tracepoint.h:354:4: note: in expansion of macro ‘PARAMS’
    PARAMS(void *__data, proto),   \
    ^~~~~~

Reported-by: Huang Daode <huangdaode@hisilicon.com>
Cc: Hanjun Guo <guohanjun@huawei.com>
Fixes: 8d3b778ff544 ("xdp: tracepoint xdp_redirect also need a map argument")
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 include/trace/events/xdp.h |    1 +
 1 file changed, 1 insertion(+)

--- a/include/trace/events/xdp.h
+++ b/include/trace/events/xdp.h
@@ -8,6 +8,7 @@
 #include <linux/netdevice.h>
 #include <linux/filter.h>
 #include <linux/tracepoint.h>
+#include <linux/bpf.h>
 
 #define __XDP_ACT_MAP(FN)	\
 	FN(ABORTED)		\


Patches currently in stable-queue which might be from xiexiuqi@huawei.com are

queue-4.14/trace-xdp-fix-compile-warning-struct-bpf_map-declared-inside-parameter-list.patch