From 2b889a4afcacef4888ac8203a60e68004816e1fd Mon Sep 17 00:00:00 2001 From: Evgeny Novikov Date: Wed, 26 May 2021 16:35:06 +0200 Subject: media: marvell-ccic: set error code in probe When i2c_new_client_device() fails, cafe_pci_probe() cleans up all resources and returns 0. The patch sets the error code on the corresponding path. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Evgeny Novikov Acked-by: Sakari Ailus Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/platform/marvell-ccic/cafe-driver.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/marvell-ccic/cafe-driver.c b/drivers/media/platform/marvell-ccic/cafe-driver.c index baac86f3d153..9aa374fa8b36 100644 --- a/drivers/media/platform/marvell-ccic/cafe-driver.c +++ b/drivers/media/platform/marvell-ccic/cafe-driver.c @@ -486,6 +486,7 @@ static int cafe_pci_probe(struct pci_dev *pdev, struct cafe_camera *cam; struct mcam_camera *mcam; struct v4l2_async_subdev *asd; + struct i2c_client *i2c_dev; /* * Start putting together one of our big camera structures. @@ -561,11 +562,16 @@ static int cafe_pci_probe(struct pci_dev *pdev, clkdev_create(mcam->mclk, "xclk", "%d-%04x", i2c_adapter_id(cam->i2c_adapter), ov7670_info.addr); - if (!IS_ERR(i2c_new_client_device(cam->i2c_adapter, &ov7670_info))) { - cam->registered = 1; - return 0; + i2c_dev = i2c_new_client_device(cam->i2c_adapter, &ov7670_info); + if (IS_ERR(i2c_dev)) { + ret = PTR_ERR(i2c_dev); + goto out_mccic_shutdown; } + cam->registered = 1; + return 0; + +out_mccic_shutdown: mccic_shutdown(mcam); out_smbus_shutdown: cafe_smbus_shutdown(cam); -- cgit v1.2.3