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net: gemini: Fix missing clk_disable_unprepare() in error path of gemini_ethernet_port_probe()

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[ Upstream commit 85496a29224188051b6135eb38da8afd4c584765 ]

Fix the missing clk_disable_unprepare() before return
from gemini_ethernet_port_probe() in the error handling case.

Fixes: 4d5ae32f5e ("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: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wang Hai 2020-07-30 15:30:00 +08:00 • committed by Greg Kroah-Hartman
commit e68b7b9b03
1 changed files with 4 additions and 1 deletions
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5
drivers/net/ethernet/cortina/gemini.c
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@ -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) {