As the possible failure of the dma_set_max_seg_size(), we should better
check the return value of the dma_set_max_seg_size().
Fixes: b0da3498c587 ("PCI: Remove pci_set_dma_max_seg_size()")
Signed-off-by: Ma Ke <make24@xxxxxxxxxxx>
---
Changes in v2:
- modified the patch according to suggestions;
- modified Fixes line according to suggestions.
---
drivers/s390/net/ism_drv.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c
index e36e3ea165d3..54f6638e889c 100644
--- a/drivers/s390/net/ism_drv.c
+++ b/drivers/s390/net/ism_drv.c
@@ -620,7 +620,10 @@ static int ism_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto err_resource;
dma_set_seg_boundary(&pdev->dev, SZ_1M - 1);
- dma_set_max_seg_size(&pdev->dev, SZ_1M);
+ ret = dma_set_max_seg_size(&pdev->dev, SZ_1M);
+ if (ret)
+ goto err_resource;
+
pci_set_master(pdev);
ret = ism_dev_init(ism);
--
2.25.1
