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dmaengine: fsl-edma: fix wrong pointer check in fsl_edma3_attach_pd()

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device_link_add() returns NULL pointer not PTR_ERR() when it fails,
so replace the IS_ERR() check with NULL pointer check.

Fixes: 72f5801a4e ("dmaengine: fsl-edma: integrate v3 support")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20231129090000.841440-1-yangyingliang@huaweicloud.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Yang Yingliang 2023-11-29 17:00:00 +08:00 committed by Vinod Koul
parent 0c154698a0
commit bffa7218dc
1 changed files with 2 additions and 3 deletions
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5
drivers/dma/fsl-edma-main.c
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@ -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;
}