clk: Fix return value check in oxnas_stdclk_probe()

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>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Fixes: 0bbd72b4c6 ("clk: Add Oxford Semiconductor OXNAS Standard Clocks")
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
This commit is contained in:
Wei Yongjun 2016-06-17 17:24:23 +00:00 committed by Stephen Boyd
parent 72ad679aa7
commit a5e9b85a65

View File

@ -144,9 +144,9 @@ static int oxnas_stdclk_probe(struct platform_device *pdev)
return -ENOMEM;
regmap = syscon_node_to_regmap(of_get_parent(np));
if (!regmap) {
if (IS_ERR(regmap)) {
dev_err(&pdev->dev, "failed to have parent regmap\n");
return -EINVAL;
return PTR_ERR(regmap);
}
for (i = 0; i < ARRAY_SIZE(clk_oxnas_init); i++) {