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 <stefan.wahren@i2se.com>
Fixes: fa8ad7889d83 ("arm: perf: factor arm_pmu core out to drivers")
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index c494613c1909..1b48bf0a6780 100644
--- 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;
                         }