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-rw-r--r--net/kcm/kcmsock.c26
1 files changed, 1 insertions, 25 deletions
diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c
index 36c438b95955..571d824e4e24 100644
--- a/net/kcm/kcmsock.c
+++ b/net/kcm/kcmsock.c
@@ -381,32 +381,8 @@ static int kcm_parse_func_strparser(struct strparser *strp, struct sk_buff *skb)
{
struct kcm_psock *psock = container_of(strp, struct kcm_psock, strp);
struct bpf_prog *prog = psock->bpf_prog;
- struct sk_buff *clone_skb = NULL;
- struct strp_msg *stm;
- int rc;
-
- stm = strp_msg(skb);
- if (stm->offset) {
- skb = clone_skb = skb_clone(skb, GFP_ATOMIC);
- if (!clone_skb)
- return -ENOMEM;
-
- if (!pskb_pull(clone_skb, stm->offset)) {
- rc = -ENOMEM;
- goto out;
- }
-
- /* reset cloned skb's offset for bpf programs using it */
- stm = strp_msg(clone_skb);
- stm->offset = 0;
- }
-
- rc = (*prog->bpf_func)(skb, prog->insnsi);
-out:
- if (clone_skb)
- kfree_skb(clone_skb);
- return rc;
+ return (*prog->bpf_func)(skb, prog->insnsi);
}
static int kcm_read_sock_done(struct strparser *strp, int err)