On Wed 04-10-17 17:52:50, Kees Cook wrote:
> In preparation for unconditionally passing the struct timer_list pointer to
> all timer callbacks, switch to using the new timer_setup() and from_timer()
> to pass the timer pointer explicitly.
> 
> Cc: Petr Vandrovec <[email protected]>
> Cc: Jan Kara <[email protected]>
> Cc: Jens Axboe <[email protected]>
> Cc: Al Viro <[email protected]>
> Cc: Thomas Gleixner <[email protected]>
> Signed-off-by: Kees Cook <[email protected]>

Looks good to me. You can add:

Reviewed-by: Jan Kara <[email protected]>

                                                                Honza

> ---
> This requires commit 686fef928bba ("timer: Prepare to change timer
> callback argument type") in v4.14-rc3, but should be otherwise
> stand-alone.
> ---
>  fs/ncpfs/inode.c     | 4 +---
>  fs/ncpfs/ncp_fs_sb.h | 2 +-
>  fs/ncpfs/sock.c      | 6 +++---
>  3 files changed, 5 insertions(+), 7 deletions(-)
> 
> diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c
> index 6d0f14c86099..129f1937fa2c 100644
> --- a/fs/ncpfs/inode.c
> +++ b/fs/ncpfs/inode.c
> @@ -618,7 +618,7 @@ static int ncp_fill_super(struct super_block *sb, void 
> *raw_data, int silent)
>       server->tx.creq         = NULL;
>       server->rcv.creq        = NULL;
>  
> -     init_timer(&server->timeout_tm);
> +     timer_setup(&server->timeout_tm, ncpdgram_timeout_call, 0);
>  #undef NCP_PACKET_SIZE
>  #define NCP_PACKET_SIZE 131072
>       error = -ENOMEM;
> @@ -650,8 +650,6 @@ static int ncp_fill_super(struct super_block *sb, void 
> *raw_data, int silent)
>       } else {
>               INIT_WORK(&server->rcv.tq, ncpdgram_rcv_proc);
>               INIT_WORK(&server->timeout_tq, ncpdgram_timeout_proc);
> -             server->timeout_tm.data = (unsigned long)server;
> -             server->timeout_tm.function = ncpdgram_timeout_call;
>       }
>       release_sock(sock->sk);
>  
> diff --git a/fs/ncpfs/ncp_fs_sb.h b/fs/ncpfs/ncp_fs_sb.h
> index 366fd63cc506..2088d94ead93 100644
> --- a/fs/ncpfs/ncp_fs_sb.h
> +++ b/fs/ncpfs/ncp_fs_sb.h
> @@ -149,7 +149,7 @@ extern void ncp_tcp_rcv_proc(struct work_struct *work);
>  extern void ncp_tcp_tx_proc(struct work_struct *work);
>  extern void ncpdgram_rcv_proc(struct work_struct *work);
>  extern void ncpdgram_timeout_proc(struct work_struct *work);
> -extern void ncpdgram_timeout_call(unsigned long server);
> +extern void ncpdgram_timeout_call(struct timer_list *t);
>  extern void ncp_tcp_data_ready(struct sock* sk);
>  extern void ncp_tcp_write_space(struct sock* sk);
>  extern void ncp_tcp_error_report(struct sock* sk);
> diff --git a/fs/ncpfs/sock.c b/fs/ncpfs/sock.c
> index 98b6db0ed63e..56c45c78b0b8 100644
> --- a/fs/ncpfs/sock.c
> +++ b/fs/ncpfs/sock.c
> @@ -116,10 +116,10 @@ void ncp_tcp_write_space(struct sock *sk)
>               schedule_work(&server->tx.tq);
>  }
>  
> -void ncpdgram_timeout_call(unsigned long v)
> +void ncpdgram_timeout_call(struct timer_list *t)
>  {
> -     struct ncp_server *server = (void*)v;
> -     
> +     struct ncp_server *server = from_timer(server, t, timeout_tm);
> +
>       schedule_work(&server->timeout_tq);
>  }
>  
> -- 
> 2.7.4
> 
> 
> -- 
> Kees Cook
> Pixel Security
-- 
Jan Kara <[email protected]>
SUSE Labs, CR

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