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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2013-02-22 04:39:30 +0000
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-02-23 00:30:25 +0100
commit3a3656d4011625cf98f8cc351968fe30af3cc9ac (patch)
tree7bd84c6a566f148ca81709a81c32c33b0a3f091c /drivers/cpufreq
parentd6561bb206aae9de8eee4516549339ee96386b87 (diff)
imx6q-cpufreq: fix return value check in imx6q_cpufreq_probe()
In case of error, the function devm_regulator_get() 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: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/imx6q-cpufreq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c
index d6b6ef350cb6..54e336de373b 100644
--- a/drivers/cpufreq/imx6q-cpufreq.c
+++ b/drivers/cpufreq/imx6q-cpufreq.c
@@ -245,7 +245,7 @@ static int imx6q_cpufreq_probe(struct platform_device *pdev)
arm_reg = devm_regulator_get(cpu_dev, "arm");
pu_reg = devm_regulator_get(cpu_dev, "pu");
soc_reg = devm_regulator_get(cpu_dev, "soc");
- if (!arm_reg || !pu_reg || !soc_reg) {
+ if (IS_ERR(arm_reg) || IS_ERR(pu_reg) || IS_ERR(soc_reg)) {
dev_err(cpu_dev, "failed to get regulators\n");
ret = -ENOENT;
goto put_node;