Simplify error checking code by replacing multiple ERR macros with a call to PTR_ERR_OR_ZERO. No functional change intended. Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx> Cc: Linus Walleij <linus.walleij@xxxxxxxxxx> Cc: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx> Cc: Chris Healy <cphealy@xxxxxxxxx> Cc: linux-gpio@xxxxxxxxxxxxxxx Cc: linux-kernel@xxxxxxxxxxxxxxx --- drivers/gpio/gpio-vf610.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/gpio/gpio-vf610.c b/drivers/gpio/gpio-vf610.c index 30aef41e3b7e..7ba668db171b 100644 --- a/drivers/gpio/gpio-vf610.c +++ b/drivers/gpio/gpio-vf610.c @@ -265,7 +265,8 @@ static int vf610_gpio_probe(struct platform_device *pdev) return port->irq; port->clk_port = devm_clk_get(dev, "port"); - if (!IS_ERR(port->clk_port)) { + ret = PTR_ERR_OR_ZERO(port->clk_port); + if (!ret) { ret = clk_prepare_enable(port->clk_port); if (ret) return ret; @@ -273,16 +274,17 @@ static int vf610_gpio_probe(struct platform_device *pdev) port->clk_port); if (ret) return ret; - } else if (port->clk_port == ERR_PTR(-EPROBE_DEFER)) { + } else if (ret == -EPROBE_DEFER) { /* * Percolate deferrals, for anything else, * just live without the clocking. */ - return PTR_ERR(port->clk_port); + return ret; } port->clk_gpio = devm_clk_get(dev, "gpio"); - if (!IS_ERR(port->clk_gpio)) { + ret = PTR_ERR_OR_ZERO(port->clk_gpio); + if (!ret) { ret = clk_prepare_enable(port->clk_gpio); if (ret) return ret; @@ -290,8 +292,8 @@ static int vf610_gpio_probe(struct platform_device *pdev) port->clk_gpio); if (ret) return ret; - } else if (port->clk_gpio == ERR_PTR(-EPROBE_DEFER)) { - return PTR_ERR(port->clk_gpio); + } else if (ret == -EPROBE_DEFER) { + return ret; } gc = &port->gc; -- 2.20.1