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

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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: d41f59fd92 ("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>
This commit is contained in:
Baolin Wang 2019-10-08 15:41:38 +08:00 • committed by Greg Kroah-Hartman
commit 8e94de44ea
1 changed files with 1 additions and 1 deletions
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2
drivers/clk/sprd/common.c
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@ -45,7 +45,7 @@ int sprd_clk_regmap_init(struct platform_device *pdev,
if (of_find_property(node, "sprd,syscon", NULL)) { if (of_find_property(node, "sprd,syscon", NULL)) {
regmap = syscon_regmap_lookup_by_phandle(node, "sprd,syscon"); 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__); pr_err("%s: failed to get syscon regmap\n", __func__);
return PTR_ERR(regmap); return PTR_ERR(regmap);
} }