Make sure to drop the references taken to the I2C adapters during probe
on probe failure (e.g. probe deferral) and on driver unbind.
Fixes: c5f5d0f99794 ("[media] c8sectpfe: STiH407/10 Linux DVB demux support")
Cc: stable@vger.kernel.org # 4.3
Cc: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
---
.../media/platform/st/sti/c8sectpfe/c8sectpfe-core.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/media/platform/st/sti/c8sectpfe/c8sectpfe-core.c b/drivers/media/platform/st/sti/c8sectpfe/c8sectpfe-core.c
index 89bd15a4d26a..3f94d9b4ef1e 100644
--- a/drivers/media/platform/st/sti/c8sectpfe/c8sectpfe-core.c
+++ b/drivers/media/platform/st/sti/c8sectpfe/c8sectpfe-core.c
@@ -655,6 +655,13 @@ static irqreturn_t c8sectpfe_error_irq_handler(int irq, void *priv)
return IRQ_HANDLED;
}
+static void c8sectpfe_put_device(void *_dev)
+{
+ struct device *dev = _dev;
+
+ put_device(dev);
+}
+
static int c8sectpfe_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -799,6 +806,11 @@ static int c8sectpfe_probe(struct platform_device *pdev)
return -ENODEV;
}
+ ret = devm_add_action_or_reset(dev, c8sectpfe_put_device,
+ &tsin->i2c_adapter->dev);
+ if (ret)
+ return ret;
+
/* Acquire reset GPIO and activate it */
tsin->rst_gpio = devm_fwnode_gpiod_get(dev,
of_fwnode_handle(child),
--
2.49.1