Commit cc650a7a authored May 30, 2007 by Kyle McMartin Committed by Kyle McMartin May 30, 2007

[PARISC] be more defensive in process.c::get_wchan



While debugging, I noticed we don't check the task_struct arg passed to
get_wchan, whereas everyone else does.

Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>

parent 376e210b

arch/parisc/kernel/process.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -381,6 +381,10 @@ get_wchan(struct task_struct *p)
		struct unwind_frame_info info;
		unsigned long ip;
		int count = 0;

		if (!p \|\| p == current \|\| p->state == TASK_RUNNING)
		return 0;

		/*
		* These bracket the sleeping functions..
		*/