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* [PATCH net] net: gemini: Fix missing clk_disable_unprepare() in error path of gemini_ethernet_port_probe()
@ 2020-07-30  7:30 Wang Hai
  2020-07-31  0:45 ` David Miller
  0 siblings, 1 reply; 2+ messages in thread
From: Wang Hai @ 2020-07-30  7:30 UTC (permalink / raw)
  To: ulli.kroll, linus.walleij, davem, kuba, mirq-linux
  Cc: netdev, linux-kernel, linux-arm-kernel

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>
---
 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 8d13ea370db1..66e67b24a887 100644
--- a/drivers/net/ethernet/cortina/gemini.c
+++ b/drivers/net/ethernet/cortina/gemini.c
@@ -2446,6 +2446,7 @@ 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);
@@ -2501,8 +2502,10 @@ 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) {
-- 
2.17.1


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^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH net] net: gemini: Fix missing clk_disable_unprepare() in error path of gemini_ethernet_port_probe()
  2020-07-30  7:30 [PATCH net] net: gemini: Fix missing clk_disable_unprepare() in error path of gemini_ethernet_port_probe() Wang Hai
@ 2020-07-31  0:45 ` David Miller
  0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2020-07-31  0:45 UTC (permalink / raw)
  To: wanghai38
  Cc: netdev, ulli.kroll, linux-kernel, mirq-linux, kuba,
	linus.walleij, linux-arm-kernel

From: Wang Hai <wanghai38@huawei.com>
Date: Thu, 30 Jul 2020 15:30:00 +0800

> 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>

Applied.

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^ permalink raw reply	[flat|nested] 2+ messages in thread

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2020-07-31  0:45 ` David Miller

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