socket: sk_filter minor cleanups

Some minor style cleanups:
  * Move __KERNEL__ definitions to one place in filter.h
  * Use const for sk_filter_len
  * Line wrapping
  * Put EXPORT_SYMBOL next to function definition

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 3 deletions

diff --git a/net/core/filter.c b/net/core/filter.c
index e0a06942c02..85a5febab56 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -275,6 +275,7 @@ load_b:
 
         return 0;
 }
+EXPORT_SYMBOL(sk_run_filter);
 
 /**
  *      sk_chk_filter - verify socket filter code
@@ -385,6 +386,7 @@ int sk_chk_filter(struct sock_filter *filter, int flen)
 
         return (BPF_CLASS(filter[flen - 1].code) == BPF_RET) ? 0 : -EINVAL;
 }
+EXPORT_SYMBOL(sk_chk_filter);
 
 /**
  *      sk_filter_rcu_release: Release a socket filter by rcu_head
@@ -467,6 +469,3 @@ int sk_detach_filter(struct sock *sk)
         rcu_read_unlock_bh();
         return ret;
 }
-
-EXPORT_SYMBOL(sk_chk_filter);
-EXPORT_SYMBOL(sk_run_filter);