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media: au0828: fix a NULL vs IS_ERR() check 

[ Upstream commit 8f2e452730d2bcd59fe05246f0e19a4c52e0012d ]

The media_device_usb_allocate() function returns error pointers when
it's enabled and something goes wrong.  It can return NULL as well, but
only if CONFIG_MEDIA_CONTROLLER is disabled so that doesn't apply here.

Fixes: 812658d88d ("media: change au0828 to use Media Device Allocator API")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2021-05-14 16:20:38 +02:00 committed by Greg Kroah-Hartman
parent c04d6687e4
commit 2bca3c0a95
1 changed files with 2 additions and 2 deletions
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4
drivers/media/usb/au0828/au0828-core.c
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@ -199,8 +199,8 @@ static int au0828_media_device_init(struct au0828_dev *dev,
struct media_device *mdev;
mdev = media_device_usb_allocate(udev, KBUILD_MODNAME, THIS_MODULE);
if (!mdev)
return -ENOMEM;
if (IS_ERR(mdev))
return PTR_ERR(mdev);
dev->media_dev = mdev;
#endif