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coresight: tpda: fix return value check in tpda_probe() 

devm_ioremap_resource() never returns NULL pointer, it
will return ERR_PTR() when it fails, so replace the check
with IS_ERR().

Fixes: 5b7916625c ("Coresight: Add TPDA link driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
[ Fix return value to the PTR_ERR(base) ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Link: https://lore.kernel.org/r/20230129084246.537694-1-yangyingliang@huawei.com
This commit is contained in:
Yang Yingliang 2023-01-29 16:42:46 +08:00 committed by Suzuki K Poulose
parent 0c1ccc158b
commit c88a15d9dd
1 changed files with 2 additions and 2 deletions
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4
drivers/hwtracing/coresight/coresight-tpda.c
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@ -145,8 +145,8 @@ static int tpda_probe(struct amba_device *adev, const struct amba_id *id)
dev_set_drvdata(dev, drvdata); dev_set_drvdata(dev, drvdata);
base = devm_ioremap_resource(dev, &adev->res); base = devm_ioremap_resource(dev, &adev->res);
if (!base) if (IS_ERR(base))
return -ENOMEM; return PTR_ERR(base);
drvdata->base = base; drvdata->base = base;
spin_lock_init(&drvdata->spinlock); spin_lock_init(&drvdata->spinlock);