From: Dan Williams Date: Fri, 27 May 2016 20:28:31 +0000 (-0700) Subject: libnvdimm: IS_ERR() usage cleanup X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=42588958147c7cc5a68726f14579011ad96663bb;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git libnvdimm: IS_ERR() usage cleanup 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 Reviewed-by: Johannes Thumshirn Signed-off-by: Dan Williams --- 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);