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perf core: Return error pointer if inherit_event() fails to find pmu_ctx
inherit_event() returns NULL only when it finds orphaned events
otherwise it returns either valid child_event pointer or an error
pointer. Follow the same when it fails to find pmu_ctx.
Fixes: bd27568117
("perf: Rewrite core context handling")
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20221118051539.820-1-ravi.bangoria@amd.com
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1 changed files with 1 additions and 1 deletions
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@ -13231,7 +13231,7 @@ inherit_event(struct perf_event *parent_event,
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pmu_ctx = find_get_pmu_context(child_event->pmu, child_ctx, child_event);
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if (IS_ERR(pmu_ctx)) {
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free_event(child_event);
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return NULL;
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return ERR_CAST(pmu_ctx);
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}
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child_event->pmu_ctx = pmu_ctx;
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