[PATCH] phy: mediatek: fix returning garbage

Tom Rix trix at redhat.com
Fri Apr 14 12:22:53 UTC 2023


clang reports
drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c:298:6: error: variable
  'ret' is uninitialized when used here [-Werror,-Wuninitialized]
        if (ret)
            ^~~
ret should have been set by the preceding call to mtk_hdmi_pll_set_hw.

Fixes: 45810d486bb4 ("phy: mediatek: add support for phy-mtk-hdmi-mt8195")
Signed-off-by: Tom Rix <trix at redhat.com>
---
 drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
index abfc077fb0a8..c63294e451d6 100644
--- a/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
+++ b/drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c
@@ -292,9 +292,9 @@ static int mtk_hdmi_pll_calc(struct mtk_hdmi_phy *hdmi_phy, struct clk_hw *hw,
 	if (!(digital_div <= 32 && digital_div >= 1))
 		return -EINVAL;
 
-	mtk_hdmi_pll_set_hw(hw, PLL_PREDIV, fbkdiv_high, fbkdiv_low,
-			    PLL_FBKDIV_HS3, posdiv1, posdiv2, txprediv,
-			    txposdiv, digital_div);
+	ret = mtk_hdmi_pll_set_hw(hw, PLL_PREDIV, fbkdiv_high, fbkdiv_low,
+				  PLL_FBKDIV_HS3, posdiv1, posdiv2, txprediv,
+				  txposdiv, digital_div);
 	if (ret)
 		return -EINVAL;
 
-- 
2.27.0



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