On 25. 05. 22, 4:12, Yang Yingliang wrote:
> Fix the missing clk_disable_unprepare() before return
> from pic32_uart_startup() in the error handling case.
>
> Fixes: 157b9394709e ("serial: pic32_uart: Add PIC32 UART driver")
> Reported-by: Hulk Robot <[email protected]>
> Signed-off-by: Yang Yingliang <[email protected]>
Reviewed-by: Jiri Slaby <[email protected]>
> ---
> drivers/tty/serial/pic32_uart.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/tty/serial/pic32_uart.c b/drivers/tty/serial/pic32_uart.c
> index b399aac530fe..f418f1de66b3 100644
> --- a/drivers/tty/serial/pic32_uart.c
> +++ b/drivers/tty/serial/pic32_uart.c
> @@ -503,7 +503,7 @@ static int pic32_uart_startup(struct uart_port *port)
> if (!sport->irq_fault_name) {
> dev_err(port->dev, "%s: kasprintf err!", __func__);
> ret = -ENOMEM;
> - goto out_done;
> + goto out_disable_clk;
> }
> irq_set_status_flags(sport->irq_fault, IRQ_NOAUTOEN);
> ret = request_irq(sport->irq_fault, pic32_uart_fault_interrupt,
> @@ -579,6 +579,8 @@ static int pic32_uart_startup(struct uart_port *port)
> out_f:
> free_irq(sport->irq_fault, port);
> kfree(sport->irq_fault_name);
> +out_disable_clk:
> + clk_disable_unprepare(sport->clk);
> out_done:
> return ret;
> }
--
js
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