From: Yang Yingliang <yangyingliang@xxxxxxxxxx>
device_link_add() returns NULL pointer not PTR_ERR() when it fails,
so replace the IS_ERR() check with NULL pointer check.
Fixes: 72f5801a4e2b ("dmaengine: fsl-edma: integrate v3 support")
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
drivers/dma/fsl-edma-main.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/fsl-edma-main.c b/drivers/dma/fsl-edma-main.c
index aea7a703dda7..238a69bd0d6f 100644
--- a/drivers/dma/fsl-edma-main.c
+++ b/drivers/dma/fsl-edma-main.c
@@ -396,9 +396,8 @@ static int fsl_edma3_attach_pd(struct platform_device *pdev, struct fsl_edma_eng
link = device_link_add(dev, pd_chan, DL_FLAG_STATELESS |
DL_FLAG_PM_RUNTIME |
DL_FLAG_RPM_ACTIVE);
- if (IS_ERR(link)) {
- dev_err(dev, "Failed to add device_link to %d: %ld\n", i,
- PTR_ERR(link));
+ if (!link) {
+ dev_err(dev, "Failed to add device_link to %d\n", i);
return -EINVAL;
}
--
2.25.1
