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| author | Wei Yongjun <weiyongjun1@huawei.com> | 2018-05-14 11:14:25 -0700 |
|---|---|---|
| committer | John Crispin <john@phrozen.org> | 2018-05-15 06:46:08 +0200 |
| commit | 87c254c87ed76ac1c74218e24e9627adc94c51f3 (patch) | |
| tree | 313b71eb63ed34ad4e599224672ff8e19f9eba2c /target/linux/ramips/files-4.14/drivers/net/ethernet | |
| parent | edec25187008e2e7893858f871369f9d6a0157e0 (diff) | |
| download | upstream-87c254c87ed76ac1c74218e24e9627adc94c51f3.tar.gz upstream-87c254c87ed76ac1c74218e24e9627adc94c51f3.tar.bz2 upstream-87c254c87ed76ac1c74218e24e9627adc94c51f3.zip | |
staging: mt7621-eth: fix return value check in mt7621_gsw_probe()
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'target/linux/ramips/files-4.14/drivers/net/ethernet')
3 files changed, 6 insertions, 6 deletions
diff --git a/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/esw_rt3050.c b/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/esw_rt3050.c index 6cad5856cd..816c588dd7 100644 --- a/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/esw_rt3050.c +++ b/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/esw_rt3050.c @@ -1358,8 +1358,8 @@ static int esw_probe(struct platform_device *pdev) esw->dev = &pdev->dev; esw->irq = irq_of_parse_and_map(np, 0); esw->base = devm_ioremap_resource(&pdev->dev, res); - if (!esw->base) - return -EADDRNOTAVAIL; + if (IS_ERR(esw->base)) + return PTR_ERR(esw->base); port_map = of_get_property(np, "mediatek,portmap", NULL); if (port_map) diff --git a/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/gsw_mt7620.c b/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/gsw_mt7620.c index 4093f09d41..a4602c4586 100644 --- a/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/gsw_mt7620.c +++ b/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/gsw_mt7620.c @@ -215,8 +215,8 @@ static int mt7620_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; diff --git a/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/gsw_mt7621.c b/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/gsw_mt7621.c index 9d5fe6efee..89be239007 100644 --- a/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/gsw_mt7621.c +++ b/target/linux/ramips/files-4.14/drivers/net/ethernet/mtk/gsw_mt7621.c @@ -245,8 +245,8 @@ 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 = platform_get_irq(pdev, 0); |