x86 mmiotrace: fix a rare memory leak

Signed-off-by: Pekka Paalanen <pq@iki.fi> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
git-mirror · Oct 14, 2008 · bbe5c78 · bbe5c78
1 parent 644f991
commit bbe5c78
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
@@ -307,8 +307,10 @@ static void ioremap_trace_core(resource_size_t offset, unsigned long size,
 	map.map_id = trace->id;
 
 	spin_lock_irq(&trace_lock);
-	if (!is_enabled())
+	if (!is_enabled()) {
+		kfree(trace);
 		goto not_enabled;
+	}
 
 	mmio_trace_mapping(&map);
 	list_add_tail(&trace->list, &trace_list);