On Wed, 07 Nov 2012 13:05:00 +0300
Stanislav Kinsbursky <[email protected]> wrote:
> This code works if CONFIG_CHECKPOINT_RESTORE is disabled.
>
> ...
>
> --- a/ipc/msg.c
> +++ b/ipc/msg.c
> @@ -803,8 +803,15 @@ static inline void free_copy(struct msg_msg *copy)
> free_msg(copy);
> }
> #else
> -#define prepare_copy(buf, sz, msgflg, msgtyp, copy_nr) ERR_PTR(-ENOSYS)
> #define fill_copy(copy_nr, msg_nr, msg, copy) NULL
> +
> +static inline struct msg_msg *prepare_copy(void __user *buf, size_t bufsz,
> + int msgflg, long *msgtyp,
> + unsigned long *copy_number)
> +{
> + return ERR_PTR(-ENOSYS);
> +}
> +
> static inline void free_copy(struct msg_msg *copy)
> {
> }
> @@ -819,7 +826,7 @@ long do_msgrcv(int msqid, void __user *buf, size_t bufsz,
> long msgtyp,
> int mode;
> struct ipc_namespace *ns;
> struct msg_msg *copy = NULL;
> - unsigned long __maybe_unused copy_number;
> + unsigned long __maybe_unused copy_number = 0;
The __maybe_unused here makes no sense. I'll remove it.
>
> if (msqid < 0 || (long) bufsz < 0)
> return -EINVAL;
--
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