intel_th: checking for ERR_PTR instead of NULL

PATCH New Dan Carpenter 1 participant 1 message Oct 9, 2015

Subsystems (3)

Kernel janitors Hardware tracing facilities Intel(r) trace hub

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Dan Carpenter

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2015-10-09 06:40 UTC #0 lore raw

PATCH 1/1 intel_th: checking for ERR_PTR instead of NULL

devm_ioremap() returns NULL on error, it doesn't return an ERR_PTR.

Signed-off-by Dan Carpenter <[email protected]>

drivers/hwtracing/intel_th/pti.c +2 -2

index 1e3bbc8..57cbfdc 100644
@@ -207,8 +207,8 @@ static int intel_th_pti_probe(struct intel_th_device *thdev)
 		return -ENODEV;
 
 	base = devm_ioremap(dev, res->start, resource_size(res));
-	if (IS_ERR(base))
-		return PTR_ERR(base);
+	if (!base)
+		return -ENOMEM;
 
 	pti = devm_kzalloc(dev, sizeof(*pti), GFP_KERNEL);
 	if (!pti)

drivers/hwtracing/intel_th/msu.c +2 -2

index 99f7662..7b73ab9 100644
@@ -1458,8 +1458,8 @@ static int intel_th_msc_probe(struct intel_th_device *thdev)
 		return -ENODEV;
 
 	base = devm_ioremap(dev, res->start, resource_size(res));
-	if (IS_ERR(base))
-		return PTR_ERR(base);
+	if (!base)
+		return -ENOMEM;
 
 	msc = devm_kzalloc(dev, sizeof(*msc), GFP_KERNEL);
 	if (!msc)

drivers/hwtracing/intel_th/gth.c +2 -2

index 673d272..2dc5378 100644
@@ -635,8 +635,8 @@ static int intel_th_gth_probe(struct intel_th_device *thdev)
 		return -ENODEV;
 
 	base = devm_ioremap(dev, res->start, resource_size(res));
-	if (IS_ERR(base))
-		return PTR_ERR(base);
+	if (!base)
+		return -ENOMEM;
 
 	gth = devm_kzalloc(dev, sizeof(*gth), GFP_KERNEL);
 	if (!gth)

drivers/hwtracing/intel_th/sth.c +4 -4

index e488fcc..56101c3 100644
@@ -194,16 +194,16 @@ static int intel_th_sth_probe(struct intel_th_device *thdev)
 		return -ENODEV;
 
 	base = devm_ioremap(dev, res->start, resource_size(res));
-	if (IS_ERR(base))
-		return PTR_ERR(base);
+	if (!base)
+		return -ENOMEM;
 
 	res = intel_th_device_get_resource(thdev, IORESOURCE_MEM, 1);
 	if (!res)
 		return -ENODEV;
 
 	channels = devm_ioremap(dev, res->start, resource_size(res));
-	if (IS_ERR(channels))
-		return PTR_ERR(channels);
+	if (!channels)
+		return -ENOMEM;
 
 	sth = devm_kzalloc(dev, sizeof(*sth), GFP_KERNEL);
 	if (!sth)