[PATCH] perf: RISC-V: Add of_node_put() when breaking out of for_each_of_cpu_node()
Liang He
windhl at 126.com
Fri Jul 15 06:03:30 PDT 2022
In pmu_sbi_setup_irqs(), we should call of_node_put() for the 'cpu'
when breaking out of for_each_of_cput_node() as its refcount will
be automatically increased and decreased during the iteration.
Fixes: 4905ec2fb7e6 ("RISC-V: Add sscofpmf extension support")
Signed-off-by: Liang He <windhl at 126.com>
---
drivers/perf/riscv_pmu_sbi.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/perf/riscv_pmu_sbi.c b/drivers/perf/riscv_pmu_sbi.c
index dca3537a8dcc..705d249a1b53 100644
--- a/drivers/perf/riscv_pmu_sbi.c
+++ b/drivers/perf/riscv_pmu_sbi.c
@@ -666,12 +666,15 @@ static int pmu_sbi_setup_irqs(struct riscv_pmu *pmu, struct platform_device *pde
child = of_get_compatible_child(cpu, "riscv,cpu-intc");
if (!child) {
pr_err("Failed to find INTC node\n");
+ of_node_put(cpu);
return -ENODEV;
}
domain = irq_find_host(child);
of_node_put(child);
- if (domain)
+ if (domain) {
+ of_node_put(cpu);
break;
+ }
}
if (!domain) {
pr_err("Failed to find INTC IRQ root domain\n");
--
2.25.1
More information about the linux-riscv
mailing list