Re: [PATCH] kernel/capability.c get_task_comm compile error (MMOTM)

[Ingo Molnar <mingo@elte.hu>]

* Erez Zadok <ezk@cs.sunysb.edu> wrote:

> Ingo, I don't see how it can return NULL.  This is what get_task_comm 
> looks like in MMOTM-2007-11-10-19-05:
> 
> char *get_task_comm(char *buf, struct task_struct *tsk)
> {
> 	/* buf must be at least sizeof(tsk->comm) in size */
> 	task_lock(tsk);
> 	strncpy(buf, tsk->comm, sizeof(tsk->comm));
> 	task_unlock(tsk);
> 	return buf;
> }
> 
> The only way it'd return NULL is if a null buf was passed, in which 
> case the strncpy will oops first.

hm, here it says in include/linux/sched.h:

 extern void get_task_comm(char *to, struct task_struct *tsk);

HEAD ecd744eec3a.

	Ingo
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