soc: ixp4xx: qmgr: Fix an NULL vs IS_ERR() check in probe
The devm_ioremap_resource() function doesn't retunr NULL, it returns
error pointers.
Fixes: ecc133c6da60 ("soc: ixp4xx: qmgr: Pass resources")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
diff --git a/drivers/soc/ixp4xx/ixp4xx-qmgr.c b/drivers/soc/ixp4xx/ixp4xx-qmgr.c
index 13a8a13..bb90670 100644
--- a/drivers/soc/ixp4xx/ixp4xx-qmgr.c
+++ b/drivers/soc/ixp4xx/ixp4xx-qmgr.c
@@ -385,8 +385,8 @@ static int ixp4xx_qmgr_probe(struct platform_device *pdev)
if (!res)
return -ENODEV;
qmgr_regs = devm_ioremap_resource(dev, res);
- if (!qmgr_regs)
- return -ENOMEM;
+ if (IS_ERR(qmgr_regs))
+ return PTR_ERR(qmgr_regs);
irq1 = platform_get_irq(pdev, 0);
if (irq1 <= 0)