On Sat, Jun 10, 2017 at 03:13:32PM +0800, Xin Long wrote:
> This patch is to use read_lock_bh instead of local_bh_disable
> and read_lock in sctp_eps_seq_show.
>
> Signed-off-by: Xin Long <lucien.xin@xxxxxxxxx>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@xxxxxxxxx>
> ---
> net/sctp/proc.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/net/sctp/proc.c b/net/sctp/proc.c
> index 5a27d0f..8e34db5 100644
> --- a/net/sctp/proc.c
> +++ b/net/sctp/proc.c
> @@ -218,8 +218,7 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v)
> return -ENOMEM;
>
> head = &sctp_ep_hashtable[hash];
> - local_bh_disable();
> - read_lock(&head->lock);
> + read_lock_bh(&head->lock);
> sctp_for_each_hentry(epb, &head->chain) {
> ep = sctp_ep(epb);
> sk = epb->sk;
> @@ -234,8 +233,7 @@ static int sctp_eps_seq_show(struct seq_file *seq, void *v)
> sctp_seq_dump_local_addrs(seq, epb);
> seq_printf(seq, "\n");
> }
> - read_unlock(&head->lock);
> - local_bh_enable();
> + read_unlock_bh(&head->lock);
>
> return 0;
> }
> --
> 2.1.0
>
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