[PATCH net-next] net: bpfilter: make function bpfilter_mbox_request() static

[Wei Yongjun]

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 <weiyongj...@huawei.com>
---
 net/ipv4/bpfilter/sockopt.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/bpfilter/sockopt.c b/net/ipv4/bpfilter/sockopt.c
index 42a96d2..5e04ed2 100644
--- a/net/ipv4/bpfilter/sockopt.c
+++ b/net/ipv4/bpfilter/sockopt.c
@@ -10,8 +10,9 @@
                                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");