drivers/perf: arm_pmu: Fix leak in error path

In case of a IRQ type mismatch in of_pmu_irq_cfg() the device node for interrupt affinity isn't freed. So fix this issue by calling of_node_put(). Signed-off-by: Stefan Wahren <[email protected]> Fixes: fa8ad78 ("arm: perf: factor arm_pmu core out to drivers") Signed-off-by: Will Deacon <[email protected]> Signed-off-by: Catalin Marinas <[email protected]>
cluon · Sep 2, 2016 · 7532468 · 7532468
1 parent 3eab887
commit 7532468
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
@@ -925,6 +925,7 @@ static int of_pmu_irq_cfg(struct arm_pmu *pmu)
 			if (i > 0 && spi != using_spi) {
 				pr_err("PPI/SPI IRQ type mismatch for %s!\n",
 					dn->name);
+				of_node_put(dn);
 				kfree(irqs);
 				return -EINVAL;
 			}