Commit c5806df9 authored Jun 22, 2009 by Tejun Heo

x86: fix duplicate free in setup_pcpu_remap() failure path



In the failure path, setup_pcpu_remap() tries to free the area which
has already been freed to make holes in the large page.  Fix it.

[ Impact: fix duplicate free in failure path ]

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>

parent 85ae87c1

arch/x86/kernel/setup_percpu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -228,7 +228,7 @@ static ssize_t __init setup_pcpu_remap(size_t static_size)
		enomem:
		for_each_possible_cpu(cpu)
		if (pcpur_ptrs[cpu])
		free_bootmem(__pa(pcpur_ptrs[cpu]), PMD_SIZE);
		free_bootmem(__pa(pcpur_ptrs[cpu]), pcpur_size);
		ret = -ENOMEM;
		out_free_ar:
		free_bootmem(__pa(pcpur_ptrs), ptrs_size);