Re: [PATCH] freezer: configure user space process frozen along withkernel threads

[Cyrill Gorcunov]

On Wed, Feb 20, 2013 at 10:15:25AM +0800, Li Fei wrote:
>  
> +#ifdef CONFIG_FREEZER
> +
> +static ssize_t freeze_late_read(struct file *file, char __user *buf,
> +					size_t count, loff_t *ppos)
> +{
> +	struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
> +	char buffer[PROC_NUMBUF];
> +	int freeze_late;
> +	size_t len;
> +	if (!task)
> +		return -ESRCH;
> +	freeze_late = (task->flags & PF_FREEZER_LATE) ? 1 : 0;
> +	len = snprintf(buffer, sizeof(buffer), "%d\n", freeze_late);
> +	return simple_read_from_buffer(buf, count, ppos, buffer, len);
> +}

Don't you need put_task_struct() once you grabbed it?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/