net: filter: rename sk_filter_proglen -> bpf_classic_proglen

trivial rename to better match semantics of macro

Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/filter.c b/net/core/filter.c
index 5a6aeb1..d6cb287 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -813,7 +813,7 @@
 static int sk_store_orig_filter(struct sk_filter *fp,
 				const struct sock_fprog *fprog)
 {
-	unsigned int fsize = sk_filter_proglen(fprog);
+	unsigned int fsize = bpf_classic_proglen(fprog);
 	struct sock_fprog_kern *fkprog;
 
 	fp->orig_prog = kmalloc(sizeof(*fkprog), GFP_KERNEL);
@@ -1001,7 +1001,7 @@
 int sk_unattached_filter_create(struct sk_filter **pfp,
 				struct sock_fprog_kern *fprog)
 {
-	unsigned int fsize = sk_filter_proglen(fprog);
+	unsigned int fsize = bpf_classic_proglen(fprog);
 	struct sk_filter *fp;
 
 	/* Make sure new filter is there and in the right amounts. */
@@ -1053,7 +1053,7 @@
 int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk)
 {
 	struct sk_filter *fp, *old_fp;
-	unsigned int fsize = sk_filter_proglen(fprog);
+	unsigned int fsize = bpf_classic_proglen(fprog);
 	unsigned int sk_fsize = sk_filter_size(fprog->len);
 	int err;
 
@@ -1154,7 +1154,7 @@
 		goto out;
 
 	ret = -EFAULT;
-	if (copy_to_user(ubuf, fprog->filter, sk_filter_proglen(fprog)))
+	if (copy_to_user(ubuf, fprog->filter, bpf_classic_proglen(fprog)))
 		goto out;
 
 	/* Instead of bytes, the API requests to return the number
diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c
index a4216a4..57d9223 100644
--- a/net/core/sock_diag.c
+++ b/net/core/sock_diag.c
@@ -69,7 +69,7 @@
 		goto out;
 
 	fprog = filter->orig_prog;
-	flen = sk_filter_proglen(fprog);
+	flen = bpf_classic_proglen(fprog);
 
 	attr = nla_reserve(skb, attrtype, flen);
 	if (attr == NULL) {