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x86 mmiotrace: fix a rare memory leak

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Signed-off-by: Pekka Paalanen <pq@iki.fi>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Pekka Paalanen 2008-09-16 21:54:16 +03:00 • committed by Ingo Molnar
parent 644f991d4b
commit bbe5c7830c
1 changed files with 3 additions and 1 deletions
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4
arch/x86/mm/mmio-mod.c
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@ -307,8 +307,10 @@ static void ioremap_trace_core(resource_size_t offset, unsigned long size,
map.map_id = trace->id; map.map_id = trace->id;
spin_lock_irq(&trace_lock); spin_lock_irq(&trace_lock);
if (!is_enabled()) if (!is_enabled()) {
kfree(trace);
goto not_enabled; goto not_enabled;
}
mmio_trace_mapping(&map); mmio_trace_mapping(&map);
list_add_tail(&trace->list, &trace_list); list_add_tail(&trace->list, &trace_list);