[tip: perf/core] perf/amd/uncore: Use free_percpu's built-in check for null

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

Commit-ID:     7987baceb9fe700a35b86e4a2f55b2d2d524d687
Gitweb:        https://git.kernel.org/tip/7987baceb9fe700a35b86e4a2f55b2d2d524d687
Author:        Kim Phillips [off-list ref]
AuthorDate:    Tue, 17 Aug 2021 17:10:44 -05:00
Committer:     Peter Zijlstra [off-list ref]
CommitterDate: Fri, 20 Aug 2021 12:33:13 +02:00

perf/amd/uncore: Use free_percpu's built-in check for null

free_percpu() has its own check for null.

Signed-off-by: Kim Phillips <redacted>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210817221048.88063-5-kim.phillips@amd.com (local)
---
 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;
 }