From: Stephen Hemminger <stephen@networkplumber.org>
Date: Sun, 1 Oct 2017 14:07:34 -0700
Subject: samples/bpf: fix warnings in xdp_monitor_user
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Patch-mainline: v4.15-rc1
Git-commit: 0929567a7a2dab8455a7313956973ff0d339709a
References: bsc#1109837

Make local functions static to fix

  HOSTCC  samples/bpf/xdp_monitor_user.o
samples/bpf/xdp_monitor_user.c:64:7: warning: no previous prototype for ‘gettime’ [-Wmissing-prototypes]
 __u64 gettime(void)
       ^~~~~~~
samples/bpf/xdp_monitor_user.c:209:6: warning: no previous prototype for ‘print_bpf_prog_info’ [-Wmissing-prototypes]
 void print_bpf_prog_info(void)
      ^~~~~~~~~~~~~~~~~~~
Fixes: 3ffab5460264 ("samples/bpf: xdp_monitor tool based on tracepoints")
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 samples/bpf/xdp_monitor_user.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/samples/bpf/xdp_monitor_user.c
+++ b/samples/bpf/xdp_monitor_user.c
@@ -61,7 +61,7 @@ static void usage(char *argv[])
 }
 
 #define NANOSEC_PER_SEC 1000000000 /* 10^9 */
-__u64 gettime(void)
+static __u64 gettime(void)
 {
 	struct timespec t;
 	int res;
@@ -206,7 +206,7 @@ static void stats_poll(int interval, boo
 	}
 }
 
-void print_bpf_prog_info(void)
+static void print_bpf_prog_info(void)
 {
 	int i;