[tip: perf/core] perf/amd/uncore: Simplify code, use free_percpu()'s built-in check for NULL

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The following commit has been merged into the perf/core branch of tip:

Commit-ID:     6cf295b21608f9253037335f47cd0dfcce812d81
Gitweb:        https://git.kernel.org/tip/6cf295b21608f9253037335f47cd0dfcce812d81
Author:        Kim Phillips <kim.phillips@xxxxxxx>
AuthorDate:    Tue, 17 Aug 2021 17:10:44 -05:00
Committer:     Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Thu, 26 Aug 2021 09:14:36 +02:00

perf/amd/uncore: Simplify code, use free_percpu()'s built-in check for NULL

free_percpu() has its own check for NULL, no need to open-code it.

Signed-off-by: Kim Phillips <kim.phillips@xxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210817221048.88063-5-kim.phillips@xxxxxxx
---
 arch/x86/events/amd/uncore.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/x86/events/amd/uncore.c b/arch/x86/events/amd/uncore.c
index 582c0ff..05bdb4c 100644
--- a/arch/x86/events/amd/uncore.c
+++ b/arch/x86/events/amd/uncore.c
@@ -659,11 +659,9 @@ fail_prep:
 fail_llc:
 	if (boot_cpu_has(X86_FEATURE_PERFCTR_NB))
 		perf_pmu_unregister(&amd_nb_pmu);
-	if (amd_uncore_llc)
-		free_percpu(amd_uncore_llc);
+	free_percpu(amd_uncore_llc);
 fail_nb:
-	if (amd_uncore_nb)
-		free_percpu(amd_uncore_nb);
+	free_percpu(amd_uncore_nb);
 
 	return ret;
 }



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