[PATCH] serial: meson: remove redundant initialization of variable id
Kevin Hilman
khilman at baylibre.com
Mon Apr 26 16:18:53 BST 2021
Colin King <colin.king at canonical.com> writes:
> From: Colin Ian King <colin.king at canonical.com>
>
> The variable id being initialized with a value that is never read
> and it is being updated later with a new value. The initialization is
> redundant and can be removed. Since id is just being used in a for-loop
> inside a local scope, move the declaration of id to that scope.
>
> Addresses-Coverity: ("Unused value")
> Signed-off-by: Colin Ian King <colin.king at canonical.com>
Reviewed-by: Kevin Hilman <khilman at baylibre.com>
> ---
> drivers/tty/serial/meson_uart.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/tty/serial/meson_uart.c b/drivers/tty/serial/meson_uart.c
> index 529cd0289056..d7f55031b2cf 100644
> --- a/drivers/tty/serial/meson_uart.c
> +++ b/drivers/tty/serial/meson_uart.c
> @@ -716,12 +716,13 @@ static int meson_uart_probe(struct platform_device *pdev)
> struct resource *res_mem, *res_irq;
> struct uart_port *port;
> int ret = 0;
> - int id = -1;
>
> if (pdev->dev.of_node)
> pdev->id = of_alias_get_id(pdev->dev.of_node, "serial");
>
> if (pdev->id < 0) {
> + int id;
> +
> for (id = AML_UART_PORT_OFFSET; id < AML_UART_PORT_NUM; id++) {
> if (!meson_ports[id]) {
> pdev->id = id;
> --
> 2.30.2
More information about the linux-amlogic
mailing list