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-rw-r--r--include/linux/taskstats_kern.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/taskstats_kern.h b/include/linux/taskstats_kern.h
index a437ca0d226b..664224008fb2 100644
--- a/include/linux/taskstats_kern.h
+++ b/include/linux/taskstats_kern.h
@@ -32,6 +32,9 @@ static inline void taskstats_tgid_alloc(struct signal_struct *sig)
struct taskstats *stats;
unsigned long flags;
+ if (sig->stats != NULL)
+ return;
+
stats = kmem_cache_zalloc(taskstats_cache, SLAB_KERNEL);
if (!stats)
return;