clk: sprd: Use IS_ERR() to validate the return value of syscon_regmap_lookup_by_phandle()

commit 9629dbdabd1983ef53f125336e1d62d77b1620f9 upstream.

The syscon_regmap_lookup_by_phandle() will never return NULL, thus use
IS_ERR() to validate the return value instead of IS_ERR_OR_NULL().

Fixes: d41f59fd92f2 ("clk: sprd: Add common infrastructure")
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Link: https://lkml.kernel.org/r/1995139bee5248ff3e9d46dc715968f212cfc4cc.1570520268.git.baolin.wang@linaro.org
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/clk/sprd/common.c b/drivers/clk/sprd/common.c
index 9d56eac..7ad5ba2 100644 (file)
--- a/drivers/clk/sprd/common.c
+++ b/drivers/clk/sprd/common.c
@@ -46,7 +46,7 @@ int sprd_clk_regmap_init(struct platform_device *pdev,
 
        if (of_find_property(node, "sprd,syscon", NULL)) {
                regmap = syscon_regmap_lookup_by_phandle(node, "sprd,syscon");
-               if (IS_ERR_OR_NULL(regmap)) {
+               if (IS_ERR(regmap)) {
                        pr_err("%s: failed to get syscon regmap\n", __func__);
                        return PTR_ERR(regmap);
                }