提交 c4814202 编写于 作者: W Wei Yongjun 提交者: Ingo Molnar

perf: Fix error return code

Fix to return -ENOMEM in the allocation error case instead of 0
(if pmu_bus_running == 1), as done elsewhere in this function.
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Cc: a.p.zijlstra@chello.nl
Cc: paulus@samba.org
Cc: acme@ghostprotocols.net
Link: http://lkml.kernel.org/r/CAPgLHd8j_fWcgqe%3DKLWjpBj%2B%3Do0Pw6Z-SEq%3DNTPU08c2w1tngQ@mail.gmail.com
[ Tweaked the error code setting placement and the changelog. ]
Signed-off-by: NIngo Molnar <mingo@kernel.org>
上级 75761cc1
...@@ -5987,6 +5987,7 @@ int perf_pmu_register(struct pmu *pmu, char *name, int type) ...@@ -5987,6 +5987,7 @@ int perf_pmu_register(struct pmu *pmu, char *name, int type)
if (pmu->pmu_cpu_context) if (pmu->pmu_cpu_context)
goto got_cpu_context; goto got_cpu_context;
ret = -ENOMEM;
pmu->pmu_cpu_context = alloc_percpu(struct perf_cpu_context); pmu->pmu_cpu_context = alloc_percpu(struct perf_cpu_context);
if (!pmu->pmu_cpu_context) if (!pmu->pmu_cpu_context)
goto free_dev; goto free_dev;
......
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