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authorEvgeny Novikov2021-05-26 16:35:06 +0200
committerMauro Carvalho Chehab2021-06-17 10:21:24 +0200
commit2b889a4afcacef4888ac8203a60e68004816e1fd (patch)
tree5cb131d2336681d3f53c674bfa47cb092ab044b9 /drivers/media
parente198be37e52551bb863d07d2edc535d0932a3c4f (diff)
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 <novikov@ispras.ru> Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/platform/marvell-ccic/cafe-driver.c12
1 files 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);