ARM: u300: fix return value check in __u300_init_boardpower()

In case of error, the function syscon_node_to_regmap() 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@trendmicro.com.cn>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>

diff --git a/arch/arm/mach-u300/regulator.c b/arch/arm/mach-u300/regulator.c
index bf40cd478fe95d82d64073bb1ff184c07f25808f..0493a845b6bc5975d1626becd2a2ebbf078cd235 100644 (file)
--- a/arch/arm/mach-u300/regulator.c
+++ b/arch/arm/mach-u300/regulator.c
@@ -69,9 +69,9 @@ static int __init __u300_init_boardpower(struct platform_device *pdev)
                return -ENODEV;
        }
        regmap = syscon_node_to_regmap(syscon_np);
-       if (!regmap) {
+       if (IS_ERR(regmap)) {
                pr_crit("U300: could not locate syscon regmap\n");
-               return -ENODEV;
+               return PTR_ERR(regmap);
        }
 
        main_power_15 = regulator_get(&pdev->dev, "vana15");