Rather than update the permission in ->is_visible() set the permission directly at declaration time. Cc: Ira Weiny <ira.weiny@xxxxxxxxx> Cc: Vishal Verma <vishal.l.verma@xxxxxxxxx> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/157309905534.1582359.13927459228885931097.stgit@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx --- drivers/nvdimm/namespace_devs.c | 9 +++------ drivers/nvdimm/pfn_devs.c | 10 +--------- drivers/nvdimm/region_devs.c | 10 +++------- 3 files changed, 7 insertions(+), 22 deletions(-) diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c index 05d99a8b3175..032dc61725ff 100644 --- a/drivers/nvdimm/namespace_devs.c +++ b/drivers/nvdimm/namespace_devs.c @@ -1303,7 +1303,7 @@ static ssize_t resource_show(struct device *dev, return -ENXIO; return sprintf(buf, "%#llx\n", (unsigned long long) res->start); } -static DEVICE_ATTR_RO(resource); +static DEVICE_ATTR(resource, 0400, resource_show, NULL); static const unsigned long blk_lbasize_supported[] = { 512, 520, 528, 4096, 4104, 4160, 4224, 0 }; @@ -1619,11 +1619,8 @@ static umode_t namespace_visible(struct kobject *kobj, { struct device *dev = container_of(kobj, struct device, kobj); - if (a == &dev_attr_resource.attr) { - if (is_namespace_blk(dev)) - return 0; - return 0400; - } + if (a == &dev_attr_resource.attr && is_namespace_blk(dev)) + return 0; if (is_namespace_pmem(dev) || is_namespace_blk(dev)) { if (a == &dev_attr_size.attr) diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c index 17ceac5b5313..b94f7a7e94b8 100644 --- a/drivers/nvdimm/pfn_devs.c +++ b/drivers/nvdimm/pfn_devs.c @@ -218,7 +218,7 @@ static ssize_t resource_show(struct device *dev, return rc; } -static DEVICE_ATTR_RO(resource); +static DEVICE_ATTR(resource, 0400, resource_show, NULL); static ssize_t size_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -269,16 +269,8 @@ static struct attribute *nd_pfn_attributes[] = { NULL, }; -static umode_t pfn_visible(struct kobject *kobj, struct attribute *a, int n) -{ - if (a == &dev_attr_resource.attr) - return 0400; - return a->mode; -} - static struct attribute_group nd_pfn_attribute_group = { .attrs = nd_pfn_attributes, - .is_visible = pfn_visible, }; const struct attribute_group *nd_pfn_attribute_groups[] = { diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c index 0afc1973e938..be3e429e86af 100644 --- a/drivers/nvdimm/region_devs.c +++ b/drivers/nvdimm/region_devs.c @@ -553,7 +553,7 @@ static ssize_t resource_show(struct device *dev, return sprintf(buf, "%#llx\n", nd_region->ndr_start); } -static DEVICE_ATTR_RO(resource); +static DEVICE_ATTR(resource, 0400, resource_show, NULL); static ssize_t persistence_domain_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -605,12 +605,8 @@ static umode_t region_visible(struct kobject *kobj, struct attribute *a, int n) if (!is_memory(dev) && a == &dev_attr_badblocks.attr) return 0; - if (a == &dev_attr_resource.attr) { - if (is_memory(dev)) - return 0400; - else - return 0; - } + if (a == &dev_attr_resource.attr && !is_memory(dev)) + return 0; if (a == &dev_attr_deep_flush.attr) { int has_flush = nvdimm_has_flush(nd_region);
