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media: m88ds3103: fix return value check in m88ds3103_probe()

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[ 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: e6089feca4 ("media: m88ds3103: Add support for ds3103b demod")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.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:
Wei Yongjun
2021-03-08 13:28:02 +01:00
committed by Greg Kroah-Hartman
parent 697af15095
commit 757d5d54ca
1 changed files with 2 additions and 2 deletions
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4
drivers/media/dvb-frontends/m88ds3103.c
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@@ -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;
}
}