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Date: Thu, 19 Jun 2014 21:22:54 -0700 (PDT) From: David Miller <davem@...emloft.net> To: p.wilczek@...sung.com Cc: netdev@...r.kernel.org, kyungmin.park@...sung.com, juho80.son@...sung.com, b.zolnierkie@...sung.com Subject: Re: [PATCH net-next 1/2] procfs: split proc_pid_status function From: Piotr Wilczek <p.wilczek@...sung.com> Date: Tue, 17 Jun 2014 15:24:37 +0200 > +int proc_pid_status_mm(struct seq_file *m, struct pid_namespace *ns, > + struct pid *pid, struct task_struct *task, > + struct mm_struct *mm) > { > - struct mm_struct *mm = get_task_mm(task); > - > task_name(m, task); > task_state(m, ns, pid, task); > > - if (mm) { > + if (mm) > task_mem(m, mm); > - mmput(mm); Neither proc_pid_status() nor the invocations in your second patch ever invoke this function with a NULL mm, therefore you should never try to explicitly handle the case. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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