[PATCH] mt76: Fix an IS_ERR() vs NULL check in mt76_wmac_probe()

[Dan Carpenter]

The devm_ioremap_resource() function never returns NULL, it returns
error pointers.

Fixes: c8846e101502 ("mt76: add driver for MT7603E and MT7628/7688")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
 drivers/net/wireless/mediatek/mt76/mt7603/soc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7603/soc.c 
b/drivers/net/wireless/mediatek/mt76/mt7603/soc.c
index e13fea80d970..b920be1f5718 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7603/soc.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7603/soc.c
@@ -23,9 +23,9 @@ mt76_wmac_probe(struct platform_device *pdev)
        }
 
        mem_base = devm_ioremap_resource(&pdev->dev, res);
-       if (!mem_base) {
+       if (IS_ERR(mem_base)) {
                dev_err(&pdev->dev, "Failed to get memory resource\n");
-               return -EINVAL;
+               return PTR_ERR(mem_base);
        }
 
        mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7603_ops,
-- 
2.17.1