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authorJohn Johansen <john.johansen@canonical.com>2018-02-05 09:58:29 +0100
committerJohn Johansen <john.johansen@canonical.com>2018-02-09 20:30:02 +0100
commitcf91600071a973c28cebf314e618610a20ec4d6d (patch)
tree3086f28c560f00327057a54f71159ebcdf6775cd /security
parentapparmor: dfa split verification of table headers (diff)
downloadlinux-cf91600071a973c28cebf314e618610a20ec4d6d.tar.xz
linux-cf91600071a973c28cebf314e618610a20ec4d6d.zip
apparmor: cleanup create_aafs() error path
Signed-off-by: John Johansen <john.johansen@canonical.com>
Diffstat (limited to 'security')
-rw-r--r--security/apparmor/apparmorfs.c32
1 files changed, 12 insertions, 20 deletions
diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
index 07623fb41e32..8cdab3c5bc63 100644
--- a/security/apparmor/apparmorfs.c
+++ b/security/apparmor/apparmorfs.c
@@ -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");