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authorDan Williams <dan.j.williams@intel.com>2019-11-12 17:12:38 -0800
committerDan Williams <dan.j.williams@intel.com>2019-11-19 09:52:12 -0800
commit153dd28647d63086dc6e1df5ee06fd0a5d6435a5 (patch)
tree064ac1ec0810f0302c207c9d1a01510f25bf3ff2 /drivers/dax
parentdax: Create a dax device_type (diff)
downloadlinux-dev-153dd28647d63086dc6e1df5ee06fd0a5d6435a5.tar.xz
linux-dev-153dd28647d63086dc6e1df5ee06fd0a5d6435a5.zip
dax: Simplify root read-only definition for the 'resource' attribute
Rather than update the permission in ->is_visible() set the permission directly at declaration time. Cc: Ira Weiny <ira.weiny@intel.com> Cc: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com> Link: https://lore.kernel.org/r/157309904959.1582359.7281180042781955506.stgit@dwillia2-desk3.amr.corp.intel.com
Diffstat (limited to 'drivers/dax')
-rw-r--r--drivers/dax/bus.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index f3e6e00ece40..ce6d648d7670 100644
--- a/drivers/dax/bus.c
+++ b/drivers/dax/bus.c
@@ -309,7 +309,7 @@ static ssize_t resource_show(struct device *dev,
return sprintf(buf, "%#llx\n", dev_dax_resource(dev_dax));
}
-static DEVICE_ATTR_RO(resource);
+static DEVICE_ATTR(resource, 0400, resource_show, NULL);
static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
char *buf)
@@ -329,8 +329,6 @@ static umode_t dev_dax_visible(struct kobject *kobj, struct attribute *a, int n)
if (a == &dev_attr_target_node.attr && dev_dax_target_node(dev_dax) < 0)
return 0;
- if (a == &dev_attr_resource.attr)
- return 0400;
return a->mode;
}