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-rw-r--r--kernel/events/core.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 4d9a1f014286..d665ac4242f2 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -2835,16 +2835,12 @@ retry:
2835 unclone_ctx(ctx); 2835 unclone_ctx(ctx);
2836 ++ctx->pin_count; 2836 ++ctx->pin_count;
2837 raw_spin_unlock_irqrestore(&ctx->lock, flags); 2837 raw_spin_unlock_irqrestore(&ctx->lock, flags);
2838 } 2838 } else {
2839
2840 if (!ctx) {
2841 ctx = alloc_perf_context(pmu, task); 2839 ctx = alloc_perf_context(pmu, task);
2842 err = -ENOMEM; 2840 err = -ENOMEM;
2843 if (!ctx) 2841 if (!ctx)
2844 goto errout; 2842 goto errout;
2845 2843
2846 get_ctx(ctx);
2847
2848 err = 0; 2844 err = 0;
2849 mutex_lock(&task->perf_event_mutex); 2845 mutex_lock(&task->perf_event_mutex);
2850 /* 2846 /*
@@ -2856,14 +2852,14 @@ retry:
2856 else if (task->perf_event_ctxp[ctxn]) 2852 else if (task->perf_event_ctxp[ctxn])
2857 err = -EAGAIN; 2853 err = -EAGAIN;
2858 else { 2854 else {
2855 get_ctx(ctx);
2859 ++ctx->pin_count; 2856 ++ctx->pin_count;
2860 rcu_assign_pointer(task->perf_event_ctxp[ctxn], ctx); 2857 rcu_assign_pointer(task->perf_event_ctxp[ctxn], ctx);
2861 } 2858 }
2862 mutex_unlock(&task->perf_event_mutex); 2859 mutex_unlock(&task->perf_event_mutex);
2863 2860
2864 if (unlikely(err)) { 2861 if (unlikely(err)) {
2865 put_task_struct(task); 2862 put_ctx(ctx);
2866 kfree(ctx);
2867 2863
2868 if (err == -EAGAIN) 2864 if (err == -EAGAIN)
2869 goto retry; 2865 goto retry;