| Message ID | 1521684607-77277-1-git-send-email-weiyongjun1@huawei.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/staging/mt7621-eth/gsw_mt7621.c b/drivers/staging/mt7621-eth/gsw_mt7621.c index b49ee94..ce8d7d7 100644 --- a/drivers/staging/mt7621-eth/gsw_mt7621.c +++ b/drivers/staging/mt7621-eth/gsw_mt7621.c @@ -263,8 +263,8 @@ static int mt7621_gsw_probe(struct platform_device *pdev) return -ENOMEM; gsw->base = devm_ioremap_resource(&pdev->dev, res); - if (!gsw->base) - return -EADDRNOTAVAIL; + if (IS_ERR(gsw->base)) + return PTR_ERR(gsw->base); gsw->dev = &pdev->dev; gsw->irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
In case of error, the function devm_ioremap_resource() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Fixes: f079b6406348 ("staging: mt7621-eth: add gigabit switch driver (GSW)") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> --- drivers/staging/mt7621-eth/gsw_mt7621.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)