bpf: make function xdp_do_generic_redirect_map() static

The function xdp_do_generic_redirect_map() is only used in this file, so
make it static.

Clean up sparse warning:
net/core/filter.c:2687:5: warning: no previous prototype
for 'xdp_do_generic_redirect_map' [-Wmissing-prototypes]

Signed-off-by: Xiongwei Song <sxwjean@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

diff --git a/net/core/filter.c b/net/core/filter.c
index 754abe1..130b842 100644 (file)
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -2684,8 +2684,9 @@ static int __xdp_generic_ok_fwd_dev(struct sk_buff *skb, struct net_device *fwd)
        return 0;
 }
 
-int xdp_do_generic_redirect_map(struct net_device *dev, struct sk_buff *skb,
-                               struct bpf_prog *xdp_prog)
+static int xdp_do_generic_redirect_map(struct net_device *dev,
+                                      struct sk_buff *skb,
+                                      struct bpf_prog *xdp_prog)
 {
        struct redirect_info *ri = this_cpu_ptr(&redirect_info);
        unsigned long map_owner = ri->map_owner;