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    Subject[PATCH 1/6] usermodehelper: introduce umh_complete(sub_info)
    Preparation. Add the new trivial helper, umh_complete(). Currently
    it simply does complete(sub_info->complete).

    Signed-off-by: Oleg Nesterov <oleg@redhat.com>
    ---
    kernel/kmod.c | 9 +++++++--
    1 files changed, 7 insertions(+), 2 deletions(-)

    diff --git a/kernel/kmod.c b/kernel/kmod.c
    index a0a8854..8ea2594 100644
    --- a/kernel/kmod.c
    +++ b/kernel/kmod.c
    @@ -199,6 +199,11 @@ void call_usermodehelper_freeinfo(struct subprocess_info *info)
    }
    EXPORT_SYMBOL(call_usermodehelper_freeinfo);

    +static void umh_complete(struct subprocess_info *sub_info)
    +{
    + complete(sub_info->complete);
    +}
    +
    /* Keventd can't block, but this (a child) can. */
    static int wait_for_helper(void *data)
    {
    @@ -235,7 +240,7 @@ static int wait_for_helper(void *data)
    sub_info->retval = ret;
    }

    - complete(sub_info->complete);
    + umh_complete(sub_info);
    return 0;
    }

    @@ -269,7 +274,7 @@ static void __call_usermodehelper(struct work_struct *work)
    case UMH_WAIT_EXEC:
    if (pid < 0)
    sub_info->retval = pid;
    - complete(sub_info->complete);
    + umh_complete(sub_info);
    }
    }

    --
    1.5.5.1



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