From: Wei Yongjun <yongjun_...@trendmicro.com.cn> In case of error, the function clk_get() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR().
dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn> --- drivers/tty/serial/of_serial.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c index 533ccfe..b9fdccb 100644 --- a/drivers/tty/serial/of_serial.c +++ b/drivers/tty/serial/of_serial.c @@ -66,10 +66,10 @@ static int __devinit of_platform_serial_setup(struct platform_device *ofdev, /* Get clk rate through clk driver if present */ info->clk = clk_get(&ofdev->dev, NULL); - if (info->clk == NULL) { + if (IS_ERR(info->clk)) { dev_warn(&ofdev->dev, "clk or clock-frequency not defined\n"); - return -ENODEV; + return PTR_ERR(info->clk); } clk_prepare_enable(info->clk); _______________________________________________ devicetree-discuss mailing list devicetree-discuss@lists.ozlabs.org https://lists.ozlabs.org/listinfo/devicetree-discuss