Messages in this thread Patch in this message | | | From | Sukrut Bellary <> | Subject | [PATCH5b51a54ae2fa1cc8459b68a28b3c8ca7b7203994] PM / devfreq: mtk-cci: Fix variable deferencing before NULL check | Date | Thu, 18 May 2023 01:40:33 -0700 |
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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> --- drivers/devfreq/mtk-cci-devfreq.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
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); -- 2.34.1
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