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),