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authorCasey Schaufler <casey@schaufler-ca.com>2012-11-01 21:14:32 -0400
committerCasey Schaufler <casey@schaufler-ca.com>2012-12-14 13:57:23 -0500
commite93072374112db9dc86635934ee761249be28370 (patch)
tree87abc5694cd43644e754f4a00a0b6a656eb5be19 /security/smack
parent111fe8bd65e473d5fc6a0478cf1e2c8c6a77489a (diff)
Smack: create a sysfs mount point for smackfs
There are a number of "conventions" for where to put LSM filesystems. Smack adheres to none of them. Create a mount point at /sys/fs/smackfs for mounting smackfs so that Smack can be conventional. Targeted for git://git.gitorious.org/smack-next/kernel.git Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Diffstat (limited to 'security/smack')
-rw-r--r--security/smack/smackfs.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index 99929a50093a..76a5dca46404 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -2063,6 +2063,19 @@ static const struct file_operations smk_revoke_subj_ops = {
2063 .llseek = generic_file_llseek, 2063 .llseek = generic_file_llseek,
2064}; 2064};
2065 2065
2066static struct kset *smackfs_kset;
2067/**
2068 * smk_init_sysfs - initialize /sys/fs/smackfs
2069 *
2070 */
2071static int smk_init_sysfs(void)
2072{
2073 smackfs_kset = kset_create_and_add("smackfs", NULL, fs_kobj);
2074 if (!smackfs_kset)
2075 return -ENOMEM;
2076 return 0;
2077}
2078
2066/** 2079/**
2067 * smk_fill_super - fill the /smackfs superblock 2080 * smk_fill_super - fill the /smackfs superblock
2068 * @sb: the empty superblock 2081 * @sb: the empty superblock
@@ -2183,6 +2196,10 @@ static int __init init_smk_fs(void)
2183 if (!security_module_enable(&smack_ops)) 2196 if (!security_module_enable(&smack_ops))
2184 return 0; 2197 return 0;
2185 2198
2199 err = smk_init_sysfs();
2200 if (err)
2201 printk(KERN_ERR "smackfs: sysfs mountpoint problem.\n");
2202
2186 err = register_filesystem(&smk_fs_type); 2203 err = register_filesystem(&smk_fs_type);
2187 if (!err) { 2204 if (!err) {
2188 smackfs_mount = kern_mount(&smk_fs_type); 2205 smackfs_mount = kern_mount(&smk_fs_type);