[PATCH bpf] bpf: Fix oudated __bpf_skc_lookup() comment

[Daniel Xu]

The function returns a pointer now.

Fixes: edbf8c01de5a ("bpf: add skc_lookup_tcp helper")
Signed-off-by: Daniel Xu <dxu@xxxxxxxxx>
---
 net/core/filter.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/net/core/filter.c b/net/core/filter.c
index 5d16d66727fc..866ca05f95e0 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -6463,8 +6463,6 @@ static struct sock *sk_lookup(struct net *net, struct bpf_sock_tuple *tuple,
 
 /* bpf_skc_lookup performs the core lookup for different types of sockets,
  * taking a reference on the socket if it doesn't have the flag SOCK_RCU_FREE.
- * Returns the socket as an 'unsigned long' to simplify the casting in the
- * callers to satisfy BPF_CALL declarations.
  */
 static struct sock *
 __bpf_skc_lookup(struct sk_buff *skb, struct bpf_sock_tuple *tuple, u32 len,
-- 
2.37.1