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authorSukrut Bellary <sukrut.bellary@linux.com>2023-05-18 10:40:33 +0200
committerChanwoo Choi <cw00.choi@samsung.com>2023-05-29 16:25:31 +0200
commita83bfdca8b2098999e3edfb87e98925e019eb818 (patch)
tree0c1732edebb9bb075168b24f081dd4e1d17a9f3c /drivers/devfreq
parentPM / devfreq: exynos: add Exynos PPMU as a soft module dependency (diff)
downloadlinux-a83bfdca8b2098999e3edfb87e98925e019eb818.tar.xz
linux-a83bfdca8b2098999e3edfb87e98925e019eb818.zip
PM / devfreq: mtk-cci: Fix variable deferencing before NULL check
smatch warning: drivers/devfreq/mtk-cci-devfreq.c:135 mtk_ccifreq_target() warn: variable dereferenced before check 'drv' (see line 130) This is based on static analysis only. Compilation tested. Signed-off-by: Sukrut Bellary <sukrut.bellary@linux.com> Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Diffstat (limited to 'drivers/devfreq')
-rw-r--r--drivers/devfreq/mtk-cci-devfreq.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/devfreq/mtk-cci-devfreq.c b/drivers/devfreq/mtk-cci-devfreq.c
index e5458ada5197..6354622eda65 100644
--- a/drivers/devfreq/mtk-cci-devfreq.c
+++ b/drivers/devfreq/mtk-cci-devfreq.c
@@ -127,7 +127,7 @@ static int mtk_ccifreq_target(struct device *dev, unsigned long *freq,
u32 flags)
{
struct mtk_ccifreq_drv *drv = dev_get_drvdata(dev);
- struct clk *cci_pll = clk_get_parent(drv->cci_clk);
+ struct clk *cci_pll;
struct dev_pm_opp *opp;
unsigned long opp_rate;
int voltage, pre_voltage, inter_voltage, target_voltage, ret;
@@ -139,6 +139,7 @@ static int mtk_ccifreq_target(struct device *dev, unsigned long *freq,
return 0;
inter_voltage = drv->inter_voltage;
+ cci_pll = clk_get_parent(drv->cci_clk);
opp_rate = *freq;
opp = devfreq_recommended_opp(dev, &opp_rate, 1);