apparmor: cleanup create_aafs() error path

Signed-off-by: John Johansen <john.johansen@canonical.com>
This commit is contained in:
John Johansen 2018-02-05 09:58:29 +01:00
parent d901d6a298
commit cf91600071

View File

@ -2458,34 +2458,26 @@ static int __init aa_create_aafs(void)
dent = securityfs_create_file(".load", 0666, aa_sfs_entry.dentry,
NULL, &aa_fs_profile_load);
if (IS_ERR(dent)) {
error = PTR_ERR(dent);
goto error;
}
if (IS_ERR(dent))
goto dent_error;
ns_subload(root_ns) = dent;
dent = securityfs_create_file(".replace", 0666, aa_sfs_entry.dentry,
NULL, &aa_fs_profile_replace);
if (IS_ERR(dent)) {
error = PTR_ERR(dent);
goto error;
}
if (IS_ERR(dent))
goto dent_error;
ns_subreplace(root_ns) = dent;
dent = securityfs_create_file(".remove", 0666, aa_sfs_entry.dentry,
NULL, &aa_fs_profile_remove);
if (IS_ERR(dent)) {
error = PTR_ERR(dent);
goto error;
}
if (IS_ERR(dent))
goto dent_error;
ns_subremove(root_ns) = dent;
dent = securityfs_create_file("revision", 0444, aa_sfs_entry.dentry,
NULL, &aa_fs_ns_revision_fops);
if (IS_ERR(dent)) {
error = PTR_ERR(dent);
goto error;
}
if (IS_ERR(dent))
goto dent_error;
ns_subrevision(root_ns) = dent;
/* policy tree referenced by magic policy symlink */
@ -2499,10 +2491,8 @@ static int __init aa_create_aafs(void)
/* magic symlink similar to nsfs redirects based on task policy */
dent = securityfs_create_symlink("policy", aa_sfs_entry.dentry,
NULL, &policy_link_iops);
if (IS_ERR(dent)) {
error = PTR_ERR(dent);
goto error;
}
if (IS_ERR(dent))
goto dent_error;
error = aa_mk_null_file(aa_sfs_entry.dentry);
if (error)
@ -2514,6 +2504,8 @@ static int __init aa_create_aafs(void)
aa_info_message("AppArmor Filesystem Enabled");
return 0;
dent_error:
error = PTR_ERR(dent);
error:
aa_destroy_aafs();
AA_ERROR("Error creating AppArmor securityfs\n");