[PATCH] cpufreq: pmac64: Add missing pmf_put_function() calls

From: Miaoqian Lin
Date: Tue Mar 18 2025 - 09:40:58 EST


Fix reference count leak when pmf_find_function() fails for one function,
Add missing pmf_put_function() calls.

Fixes: 9a699aefa87c ("[PATCH] 4/5 powerpc: Add cpufreq support for all desktop G5")
Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
---
drivers/cpufreq/pmac64-cpufreq.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/cpufreq/pmac64-cpufreq.c b/drivers/cpufreq/pmac64-cpufreq.c
index 74ff6c47df29..9a5a4fca27f0 100644
--- a/drivers/cpufreq/pmac64-cpufreq.c
+++ b/drivers/cpufreq/pmac64-cpufreq.c
@@ -412,6 +412,8 @@ static int __init g5_neo2_cpufreq_init(struct device_node *cpunode)
of_node_put(root);
if (pfunc_set_vdnap0 == NULL ||
pfunc_vdnap0_complete == NULL) {
+ pmf_put_function(pfunc_set_vdnap0);
+ pmf_put_function(pfunc_vdnap0_complete);
pr_err("Can't find required platform function\n");
goto bail_noprops;
}
--
2.39.5 (Apple Git-154)