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/pti.c b/drivers/hwtracing/intel_th/pti.c
index 1e3bbc8..57cbfdc 100644
--- a/drivers/hwtracing/intel_th/pti.c
+++ b/drivers/hwtracing/intel_th/pti.c
@@ -207,8 +207,8 @@
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)