[PATCH] phy: mediatek: fix returning garbage

From: Tom Rix
Date: Fri Apr 14 2023 - 08:24:04 EST


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@xxxxxxxxxx>
---
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