intel_th: Check for NULL instead of ERR_PTR
devm_ioremap() returns NULL on error, it doesn't return an ERR_PTR,
which is what the current code does. This patch corrects these
checks.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/hwtracing/intel_th/gth.c b/drivers/hwtracing/intel_th/gth.c
index 673d272..2dc5378 100644
--- a/drivers/hwtracing/intel_th/gth.c
+++ b/drivers/hwtracing/intel_th/gth.c
@@ -635,8 +635,8 @@
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)