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media: imx-jpeg: Fix return value check in mxc_jpeg_attach_pm_domains()

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In case of error, the function device_link_add() returns NULL
pointer not ERR_PTR(). The IS_ERR() test in the return value
check should be replaced with NULL test.

Fixes: 2db16c6ed7 ("media: imx-jpeg: Add V4L2 driver for i.MX8 JPEG Encoder/Decoder")
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>
This commit is contained in:
Wei Yongjun 2021-03-23 12:29:03 +01:00 committed by Mauro Carvalho Chehab
parent fb3b597abd
commit d75b32853d
1 changed files with 2 additions and 2 deletions
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4
drivers/media/platform/imx-jpeg/mxc-jpeg.c
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@ -1943,8 +1943,8 @@ static int mxc_jpeg_attach_pm_domains(struct mxc_jpeg_dev *jpeg)
DL_FLAG_STATELESS |
DL_FLAG_PM_RUNTIME |
DL_FLAG_RPM_ACTIVE);
if (IS_ERR(jpeg->pd_link[i])) {
ret = PTR_ERR(jpeg->pd_link[i]);
if (!jpeg->pd_link[i]) {
ret = -EINVAL;
goto fail;
}
}