diff mbox

libnvdimm: IS_ERR() usage cleanup

Message ID 146490970526.23141.5428974148893318100.stgit@dwillia2-desk3.amr.corp.intel.com (mailing list archive)
State Accepted
Commit 42588958147c
Headers show

Commit Message

Dan Williams June 2, 2016, 11:21 p.m. UTC
Prompted by commit 287980e49ffc "remove lots of IS_ERR_VALUE abuses", I
ran make coccicheck against drivers/nvdimm/ and found that:

	if (IS_ERR(x))
		return PTR_ERR(x);
	return 0;

...can be replaced with PTR_ERR_OR_ZERO().

Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
---
 drivers/nvdimm/bus.c   |    6 ++----
 drivers/nvdimm/claim.c |    5 ++---
 2 files changed, 4 insertions(+), 7 deletions(-)

Comments

Johannes Thumshirn June 3, 2016, 7:09 a.m. UTC | #1
On Thu, Jun 02, 2016 at 04:21:45PM -0700, Dan Williams wrote:
> Prompted by commit 287980e49ffc "remove lots of IS_ERR_VALUE abuses", I
> ran make coccicheck against drivers/nvdimm/ and found that:
> 
> 	if (IS_ERR(x))
> 		return PTR_ERR(x);
> 	return 0;
> 
> ...can be replaced with PTR_ERR_OR_ZERO().
> 
> Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
> Signed-off-by: Dan Williams <dan.j.williams@intel.com>

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
diff mbox

Patch

diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index f085f8bceae8..e4882e63bece 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -395,12 +395,10 @@  int nvdimm_bus_create_ndctl(struct nvdimm_bus *nvdimm_bus)
 	dev = device_create(nd_class, &nvdimm_bus->dev, devt, nvdimm_bus,
 			"ndctl%d", nvdimm_bus->id);
 
-	if (IS_ERR(dev)) {
+	if (IS_ERR(dev))
 		dev_dbg(&nvdimm_bus->dev, "failed to register ndctl%d: %ld\n",
 				nvdimm_bus->id, PTR_ERR(dev));
-		return PTR_ERR(dev);
-	}
-	return 0;
+	return PTR_ERR_OR_ZERO(dev);
 }
 
 void nvdimm_bus_destroy_ndctl(struct nvdimm_bus *nvdimm_bus)
diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c
index 8b2e3c4fb0ad..9997ff94a132 100644
--- a/drivers/nvdimm/claim.c
+++ b/drivers/nvdimm/claim.c
@@ -266,9 +266,8 @@  int devm_nsio_enable(struct device *dev, struct nd_namespace_io *nsio)
 
 	nsio->addr = devm_memremap(dev, res->start, resource_size(res),
 			ARCH_MEMREMAP_PMEM);
-	if (IS_ERR(nsio->addr))
-		return PTR_ERR(nsio->addr);
-	return 0;
+
+	return PTR_ERR_OR_ZERO(nsio->addr);
 }
 EXPORT_SYMBOL_GPL(devm_nsio_enable);