提交 eaa4d5ac 编写于 作者: Y Yonghong Song 提交者: Greg Kroah-Hartman

samples/bpf: fix a compilation failure

[ Upstream commit 534e0e52bc23de588e81b5a6f75e10c8c4b189fc ]

samples/bpf build failed with the following errors:

  $ make samples/bpf/
  ...
  HOSTCC  samples/bpf/sockex3_user.o
  /data/users/yhs/work/net-next/samples/bpf/sockex3_user.c:16:8: error: redefinition of ‘struct bpf_flow_keys’
   struct bpf_flow_keys {
          ^
  In file included from /data/users/yhs/work/net-next/samples/bpf/sockex3_user.c:4:0:
  ./usr/include/linux/bpf.h:2338:9: note: originally defined here
    struct bpf_flow_keys *flow_keys;
           ^
  make[3]: *** [samples/bpf/sockex3_user.o] Error 1

Commit d58e468b1112d ("flow_dissector: implements flow dissector BPF hook")
introduced struct bpf_flow_keys in include/uapi/linux/bpf.h and hence
caused the naming conflict with samples/bpf/sockex3_user.c.

The fix is to rename struct bpf_flow_keys in samples/bpf/sockex3_user.c
to flow_keys to avoid the conflict.
Signed-off-by: NYonghong Song <yhs@fb.com>
Signed-off-by: NDaniel Borkmann <daniel@iogearbox.net>
Signed-off-by: NSasha Levin <sashal@kernel.org>
上级 feb52253
......@@ -13,7 +13,7 @@
#define PARSE_IP_PROG_FD (prog_fd[0])
#define PROG_ARRAY_FD (map_fd[0])
struct bpf_flow_keys {
struct flow_keys {
__be32 src;
__be32 dst;
union {
......@@ -64,7 +64,7 @@ int main(int argc, char **argv)
(void) f;
for (i = 0; i < 5; i++) {
struct bpf_flow_keys key = {}, next_key;
struct flow_keys key = {}, next_key;
struct pair value;
sleep(1);
......
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