| From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 006/172] tty: serial: owl: Fix missing clk_disable_unprepare() in owl_uart_probe | Date | Mon, 13 Jun 2022 12:09:26 +0200 |
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From: Miaoqian Lin <linmq006@gmail.com>
[ Upstream commit bcea0f547ec1a2ee44d429aaf0334633e386e67c ]
Fix the missing clk_disable_unprepare() before return from owl_uart_probe() in the error handling case.
Fixes: abf42d2f333b ("tty: serial: owl: add "much needed" clk_prepare_enable()") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Link: https://lore.kernel.org/r/20220307105135.11698-1-linmq006@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/tty/serial/owl-uart.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/tty/serial/owl-uart.c b/drivers/tty/serial/owl-uart.c index c149f8c30007..a0d4bffe70bd 100644 --- a/drivers/tty/serial/owl-uart.c +++ b/drivers/tty/serial/owl-uart.c @@ -695,6 +695,7 @@ static int owl_uart_probe(struct platform_device *pdev) owl_port->port.uartclk = clk_get_rate(owl_port->clk); if (owl_port->port.uartclk == 0) { dev_err(&pdev->dev, "clock rate is zero\n"); + clk_disable_unprepare(owl_port->clk); return -EINVAL; } owl_port->port.flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP | UPF_LOW_LATENCY; -- 2.35.1
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