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bpf: Fix bpf_skc_lookup comment wrt. return type

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The function no longer returns 'unsigned long' as of commit edbf8c01de5a
("bpf: add skc_lookup_tcp helper").

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220617152121.29617-1-tklauser@distanz.ch
This commit is contained in:
Tobias Klauser 2022-06-17 17:21:21 +02:00 committed by Daniel Borkmann
parent dc368e1c65
commit f5be22c64b
1 changed files with 0 additions and 2 deletions
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net/core/filter.c
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@ -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,