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authorRusty Russell <rusty@rustcorp.com.au>2014-03-24 12:00:34 +1030
committerRusty Russell <rusty@rustcorp.com.au>2014-03-24 12:21:00 +1030
commit58f86cc89c3372d3e61d5b71e5513ec5a0b02848 (patch)
treeba12cb68846c5e4e04d3442528dee70e58100859 /fs/ocfs2
parentc6bda7c988a57958108741cde9b1f12e9727a938 (diff)
VERIFY_OCTAL_PERMISSIONS: stricter checking for sysfs perms.
Summary of http://lkml.org/lkml/2014/3/14/363 : Ted: module_param(queue_depth, int, 444) Joe: 0444! Rusty: User perms >= group perms >= other perms? Joe: CLASS_ATTR, DEVICE_ATTR, SENSOR_ATTR and SENSOR_ATTR_2? Side effect of stricter permissions means removing the unnecessary S_IFREG from several callers. Note that the BUILD_BUG_ON_ZERO((perm) & 2) test was removed: a fair number of drivers fail this test, so that will be the debate for a future patch. Suggested-by: Joe Perches <joe@perches.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> for drivers/pci/slot.c Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Miklos Szeredi <miklos@szeredi.hu> Cc: Mark Fasheh <mfasheh@suse.com> Cc: Joel Becker <jlbec@evilplan.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'fs/ocfs2')
-rw-r--r--fs/ocfs2/cluster/sys.c2
-rw-r--r--fs/ocfs2/stackglue.c8
2 files changed, 5 insertions, 5 deletions
diff --git a/fs/ocfs2/cluster/sys.c b/fs/ocfs2/cluster/sys.c
index a4b07730b2e..b7f57271d49 100644
--- a/fs/ocfs2/cluster/sys.c
+++ b/fs/ocfs2/cluster/sys.c
@@ -41,7 +41,7 @@ static ssize_t version_show(struct kobject *kobj, struct kobj_attribute *attr,
return snprintf(buf, PAGE_SIZE, "%u\n", O2NM_API_VERSION);
}
static struct kobj_attribute attr_version =
- __ATTR(interface_revision, S_IFREG | S_IRUGO, version_show, NULL);
+ __ATTR(interface_revision, S_IRUGO, version_show, NULL);
static struct attribute *o2cb_attrs[] = {
&attr_version.attr,
diff --git a/fs/ocfs2/stackglue.c b/fs/ocfs2/stackglue.c
index 1324e6600e5..25e9f7b5bad 100644
--- a/fs/ocfs2/stackglue.c
+++ b/fs/ocfs2/stackglue.c
@@ -494,7 +494,7 @@ static ssize_t ocfs2_max_locking_protocol_show(struct kobject *kobj,
}
static struct kobj_attribute ocfs2_attr_max_locking_protocol =
- __ATTR(max_locking_protocol, S_IFREG | S_IRUGO,
+ __ATTR(max_locking_protocol, S_IRUGO,
ocfs2_max_locking_protocol_show, NULL);
static ssize_t ocfs2_loaded_cluster_plugins_show(struct kobject *kobj,
@@ -526,7 +526,7 @@ static ssize_t ocfs2_loaded_cluster_plugins_show(struct kobject *kobj,
}
static struct kobj_attribute ocfs2_attr_loaded_cluster_plugins =
- __ATTR(loaded_cluster_plugins, S_IFREG | S_IRUGO,
+ __ATTR(loaded_cluster_plugins, S_IRUGO,
ocfs2_loaded_cluster_plugins_show, NULL);
static ssize_t ocfs2_active_cluster_plugin_show(struct kobject *kobj,
@@ -548,7 +548,7 @@ static ssize_t ocfs2_active_cluster_plugin_show(struct kobject *kobj,
}
static struct kobj_attribute ocfs2_attr_active_cluster_plugin =
- __ATTR(active_cluster_plugin, S_IFREG | S_IRUGO,
+ __ATTR(active_cluster_plugin, S_IRUGO,
ocfs2_active_cluster_plugin_show, NULL);
static ssize_t ocfs2_cluster_stack_show(struct kobject *kobj,
@@ -597,7 +597,7 @@ static ssize_t ocfs2_cluster_stack_store(struct kobject *kobj,
static struct kobj_attribute ocfs2_attr_cluster_stack =
- __ATTR(cluster_stack, S_IFREG | S_IRUGO | S_IWUSR,
+ __ATTR(cluster_stack, S_IRUGO | S_IWUSR,
ocfs2_cluster_stack_show,
ocfs2_cluster_stack_store);