[2.6 patch] show_schedstat(): fix memleak

[Adrian Bunk]

The Coverity checker spotted a memleak introduced by
commit 39106dcf85285e78f3b290022122c76f851379b8
(cpumask: use new cpus_scnprintf function).

It seems the kfree() got lost between v2 and v3 of this patch...

Signed-off-by: Adrian Bunk <bunk@xxxxxxxxxx>

---
acbecac5e146985135635ea992df9a9d83280256 diff --git a/kernel/sched_stats.h b/kernel/sched_stats.h
index 5bae2e0..a38878e 100644
--- a/kernel/sched_stats.h
+++ b/kernel/sched_stats.h
@@ -67,6 +67,7 @@ static int show_schedstat(struct seq_file *seq, void *v)
 		preempt_enable();
 #endif
 	}
+	kfree(mask_str);
 	return 0;
 }
 
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