Smatch is very confused by a clk_prepare_enable() being called in an
error-path. Fix this warning by moving the clk_prepare_enable() to its
own function.
drivers/media/i2c/tc358746.c:1631 tc358746_suspend() warn: 'tc358746->refclk' from clk_prepare_enable() not released on lines: 1631.
Signed-off-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
---
drivers/media/i2c/tc358746.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/tc358746.c b/drivers/media/i2c/tc358746.c
index edf79107adc5..389582420ba7 100644
--- a/drivers/media/i2c/tc358746.c
+++ b/drivers/media/i2c/tc358746.c
@@ -1616,6 +1616,16 @@ static void tc358746_remove(struct i2c_client *client)
pm_runtime_dont_use_autosuspend(sd->dev);
}
+/*
+ * This function has been created just to avoid a smatch warning,
+ * please do not merge it into tc358746_suspend until you have
+ * confirmed that it does not introduce a new warning.
+ */
+static void tc358746_clk_enable(struct tc358746 *tc358746)
+{
+ clk_prepare_enable(tc358746->refclk);
+}
+
static int tc358746_suspend(struct device *dev)
{
struct tc358746 *tc358746 = dev_get_drvdata(dev);
@@ -1626,7 +1636,7 @@ static int tc358746_suspend(struct device *dev)
err = regulator_bulk_disable(ARRAY_SIZE(tc358746_supplies),
tc358746->supplies);
if (err)
- clk_prepare_enable(tc358746->refclk);
+ tc358746_clk_enable(tc358746);
return err;
}
--
2.46.0.76.ge559c4bf1a-goog
