From: Ilkka Koskinen <ilkka@os.amperecomputing.com>
Date: Tue, 23 Sep 2025 21:31:36 +0000 (-0700)
Subject: perf/dwc_pcie: Fix use of uninitialized variable
X-Git-Tag: v6.18-rc1~210^2~5^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2084660ad288c998b6f0c885e266deb364f65fba;p=thirdparty%2Fkernel%2Fstable.git

perf/dwc_pcie: Fix use of uninitialized variable

Fix use of uninitialized variable in group validation code.

Fixes: 71396cfac97d ("perf/dwc_pcie: Support counting multiple lane events in parallel")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Closes: https://lore.kernel.org/r/202509231223.gZsX6Eio-lkp@intel.com/
Signed-off-by: Ilkka Koskinen <ilkka@os.amperecomputing.com>
Signed-off-by: Will Deacon <will@kernel.org>
---

diff --git a/drivers/perf/dwc_pcie_pmu.c b/drivers/perf/dwc_pcie_pmu.c
index d77f767cde893..22f73ac894e95 100644
--- a/drivers/perf/dwc_pcie_pmu.c
+++ b/drivers/perf/dwc_pcie_pmu.c
@@ -402,7 +402,7 @@ static int dwc_pcie_pmu_validate_group(struct perf_event *event)
 {
 	struct perf_event *sibling, *leader = event->group_leader;
 	DECLARE_BITMAP(val_lane_events, 2 * DWC_PCIE_LANE_MAX_EVENTS_PER_GROUP);
-	bool time_event;
+	bool time_event = false;
 	int type;
 
 	type = DWC_PCIE_EVENT_TYPE(leader);