net: filter: rename sk_chk_filter() -> bpf_check_classic()

trivial rename to indicate that this functions performs classic BPF checking

Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 5 insertions, 5 deletions

diff --git a/net/core/filter.c b/net/core/filter.c
index d6cb287e4f59..5740ea08a3ad 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -18,7 +18,7 @@
  * 2 of the License, or (at your option) any later version.
  *
  * Andi Kleen - Fix a few bad bugs and races.
- * Kris Katterjohn - Added many additional checks in sk_chk_filter()
+ * Kris Katterjohn - Added many additional checks in bpf_check_classic()
  */
 
 #include <linux/module.h>
@@ -721,7 +721,7 @@ static bool chk_code_allowed(u16 code_to_probe)
 }
 
 /**
- *      sk_chk_filter - verify socket filter code
+ *      bpf_check_classic - verify socket filter code
  *      @filter: filter to verify
  *      @flen: length of filter
  *
@@ -734,7 +734,7 @@ static bool chk_code_allowed(u16 code_to_probe)
  *
  * Returns 0 if the rule set is legal or -EINVAL if not.
  */
-int sk_chk_filter(const struct sock_filter *filter, unsigned int flen)
+int bpf_check_classic(const struct sock_filter *filter, unsigned int flen)
 {
         bool anc_found;
         int pc;
@@ -808,7 +808,7 @@ int sk_chk_filter(const struct sock_filter *filter, unsigned int flen)
 
         return -EINVAL;
 }
-EXPORT_SYMBOL(sk_chk_filter);
+EXPORT_SYMBOL(bpf_check_classic);
 
 static int sk_store_orig_filter(struct sk_filter *fp,
                                 const struct sock_fprog *fprog)
@@ -968,7 +968,7 @@ static struct sk_filter *__sk_prepare_filter(struct sk_filter *fp)
         fp->bpf_func = NULL;
         fp->jited = 0;
 
-        err = sk_chk_filter(fp->insns, fp->len);
+        err = bpf_check_classic(fp->insns, fp->len);
         if (err) {
                 __sk_filter_release(fp);
                 return ERR_PTR(err);