From 3dc6ad722e4359b4e42583cfda5f08ce9fe0c3ac Mon Sep 17 00:00:00 2001
From: Wang Hai <wanghai38@huawei.com>
Date: Thu, 30 Jul 2020 15:30:00 +0800
Subject: [PATCH 15/15] net: gemini: Fix missing clk_disable_unprepare() in
error path of gemini_ethernet_port_probe()
Patch-mainline: v5.8
Git-commit: 85496a29224188051b6135eb38da8afd4c584765
References: git-fixes
Fix the missing clk_disable_unprepare() before return
from gemini_ethernet_port_probe() in the error handling case.
Fixes: 4d5ae32f5e1e ("net: ethernet: Add a driver for Gemini gigabit ethernet")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Denis Kirjanov <denis.kirjanov@suse.com>
---
drivers/net/ethernet/cortina/gemini.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c
index 2814b96751b4..01ae113f122a 100644
--- a/drivers/net/ethernet/cortina/gemini.c
+++ b/drivers/net/ethernet/cortina/gemini.c
@@ -2445,6 +2445,7 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev)
port->reset = devm_reset_control_get_exclusive(dev, NULL);
if (IS_ERR(port->reset)) {
dev_err(dev, "no reset\n");
+ clk_disable_unprepare(port->pclk);
return PTR_ERR(port->reset);
}
reset_control_reset(port->reset);
@@ -2500,8 +2501,10 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev)
IRQF_SHARED,
port_names[port->id],
port);
- if (ret)
+ if (ret) {
+ clk_disable_unprepare(port->pclk);
return ret;
+ }
ret = register_netdev(netdev);
if (!ret) {
--
2.16.4