net: bpfilter: make function bpfilter_mbox_request() static

Fixes the following sparse warnings:

net/ipv4/bpfilter/sockopt.c:13:5: warning:
 symbol 'bpfilter_mbox_request' was not declared. Should it be static?

Signed-off-by: Wei Yongjun <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

diff --git a/net/ipv4/bpfilter/sockopt.c b/net/ipv4/bpfilter/sockopt.c
index 42a96d2d8d05aac4f6d045fdf3d00984e2d02f2f..5e04ed25bc0e92a5f4e62c78b45b50d9e6b7d1fc 100644 (file)
--- a/net/ipv4/bpfilter/sockopt.c
+++ b/net/ipv4/bpfilter/sockopt.c
@@ -10,8 +10,9 @@ int (*bpfilter_process_sockopt)(struct sock *sk, int optname,
                                unsigned int optlen, bool is_set);
 EXPORT_SYMBOL_GPL(bpfilter_process_sockopt);
 
-int bpfilter_mbox_request(struct sock *sk, int optname, char __user *optval,
-                         unsigned int optlen, bool is_set)
+static int bpfilter_mbox_request(struct sock *sk, int optname,
+                                char __user *optval,
+                                unsigned int optlen, bool is_set)
 {
        if (!bpfilter_process_sockopt) {
                int err = request_module("bpfilter");