On Sun, 2 Dec 2012 05:12:43 -0500, Wei Yongjun <weiyj.lk@xxxxxxxxx> wrote:
> From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
>
> In case of error, function of_clk_get() returns ERR_PTR()
> and never returns NULL. The NULL test in the return value
> check should be replaced with IS_ERR().
>
> Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
Acked-by: Grant Likely <grant.likely@xxxxxxxxxxxx>
> ---
> drivers/tty/serial/xilinx_uartps.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
> index 2be22a2..1eb4657 100644
> --- a/drivers/tty/serial/xilinx_uartps.c
> +++ b/drivers/tty/serial/xilinx_uartps.c
> @@ -948,9 +948,9 @@ static int xuartps_probe(struct platform_device *pdev)
> struct clk *clk;
>
> clk = of_clk_get(pdev->dev.of_node, 0);
> - if (!clk) {
> + if (IS_ERR(clk)) {
> dev_err(&pdev->dev, "no clock specified\n");
> - return -ENODEV;
> + return PTR_ERR(clk);
> }
>
> rc = clk_prepare_enable(clk);
>
>
--
Grant Likely, B.Sc, P.Eng.
Secret Lab Technologies, Ltd.
--
To unsubscribe from this list: send the line "unsubscribe linux-serial" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
