> -----Original Message----- > From: Cyrill Gorcunov [mailto:gorcu...@gmail.com] On Behalf Of Cyrill > Gorcunov > Sent: Wednesday, February 20, 2013 5:05 PM > To: Li, Fei > Cc: pa...@ucw.cz; r...@sisk.pl; Brown, Len; mi...@redhat.com; > pet...@infradead.org; a...@linux-foundation.org; v...@zeniv.linux.org.uk; > ebied...@xmission.com; rient...@google.com; linux-kernel@vger.kernel.org; > linux...@vger.kernel.org; Liu, Chuansheng; Wang, Biao > Subject: Re: [PATCH] freezer: configure user space process frozen along with > kernel threads > > 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?
Thanks for your reminder. I'll update it in later version. Best Regards, Li Fei -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
