This is a note to let you know that I've just added the patch titled media: m88ds3103: fix return value check in m88ds3103_probe() to the 5.10-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: media-m88ds3103-fix-return-value-check-in-m88ds3103_.patch and it can be found in the queue-5.10 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 64d0cf40e1f40ab2476832ecaace023d7cd48847 Author: Wei Yongjun <weiyongjun1@xxxxxxxxxx> Date: Mon Mar 8 13:28:02 2021 +0100 media: m88ds3103: fix return value check in m88ds3103_probe() [ Upstream commit e61f9ea271933d987ab895c689fa37744f6fc27f ] In case of error, the function i2c_new_dummy_device() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Fixes: e6089feca460 ("media: m88ds3103: Add support for ds3103b demod") Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx> Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/media/dvb-frontends/m88ds3103.c b/drivers/media/dvb-frontends/m88ds3103.c index ad6d9d564a87..c120cffb52ad 100644 --- a/drivers/media/dvb-frontends/m88ds3103.c +++ b/drivers/media/dvb-frontends/m88ds3103.c @@ -1904,8 +1904,8 @@ static int m88ds3103_probe(struct i2c_client *client, dev->dt_client = i2c_new_dummy_device(client->adapter, dev->dt_addr); - if (!dev->dt_client) { - ret = -ENODEV; + if (IS_ERR(dev->dt_client)) { + ret = PTR_ERR(dev->dt_client); goto err_kfree; } }