mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-29 13:53:33 +00:00
af_packet: preserve const qualifier in pkt_sk()
We can change pkt_sk() to propagate const qualifier of its argument, thanks to container_of_const() This should avoid some potential errors caused by accidental (const -> not_const) promotion. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Willem de Bruijn <willemb@google.com> Reviewed-by: Simon Horman <simon.horman@corigine.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
94c540fbfc
commit
68ac9a8b6e
1 changed files with 1 additions and 4 deletions
|
@ -133,10 +133,7 @@ struct packet_sock {
|
|||
atomic_t tp_drops ____cacheline_aligned_in_smp;
|
||||
};
|
||||
|
||||
static inline struct packet_sock *pkt_sk(struct sock *sk)
|
||||
{
|
||||
return (struct packet_sock *)sk;
|
||||
}
|
||||
#define pkt_sk(ptr) container_of_const(ptr, struct packet_sock, sk)
|
||||
|
||||
enum packet_sock_flags {
|
||||
PACKET_SOCK_ORIGDEV,
|
||||
|
|
Loading…
Reference in a new issue