From 5692900bed2a76c4086dc25557f28d7baac9307c Mon Sep 17 00:00:00 2001 From: Yang Yingliang Date: Thu, 21 Apr 2022 17:00:42 +0800 Subject: [PATCH] i2c: meson: fix missing clk_disable_unprepare() on error in meson_i2c_probe() Fix the missing clk_disable_unprepare() before return from meson_i2c_probe() in the error handling case. Fixes: a57f9b4dd6f5 ("i2c: meson: Use 50% duty cycle for I2C clock") Reported-by: Hulk Robot Signed-off-by: Yang Yingliang Reviewed-by: Neil Armstrong Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-meson.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-meson.c b/drivers/i2c/busses/i2c-meson.c index 50dab123380a9..195a9716da31b 100644 --- a/drivers/i2c/busses/i2c-meson.c +++ b/drivers/i2c/busses/i2c-meson.c @@ -520,8 +520,10 @@ static int meson_i2c_probe(struct platform_device *pdev) meson_i2c_set_mask(i2c, REG_SLAVE_ADDR, REG_SLV_SDA_FILTER_MASK | REG_SLV_SCL_FILTER_MASK, 0); - if (!i2c->data->set_clk_div) + if (!i2c->data->set_clk_div) { + clk_disable_unprepare(i2c->clk); return -EINVAL; + } i2c->data->set_clk_div(i2c, timings.bus_freq_hz); ret = i2c_add_adapter(&i2c->adap); -- 2.30.2