diff options
Diffstat (limited to 'security/smack/smack_lsm.c')
| -rw-r--r-- | security/smack/smack_lsm.c | 29 |
1 files changed, 3 insertions, 26 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 46d8be434466..4d90257d03ad 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -1384,20 +1384,14 @@ static void smack_inode_post_setxattr(struct dentry *dentry, const char *name, skp = smk_import_entry(value, size); if (!IS_ERR(skp)) isp->smk_inode = skp; - else - isp->smk_inode = &smack_known_invalid; } else if (strcmp(name, XATTR_NAME_SMACKEXEC) == 0) { skp = smk_import_entry(value, size); if (!IS_ERR(skp)) isp->smk_task = skp; - else - isp->smk_task = &smack_known_invalid; } else if (strcmp(name, XATTR_NAME_SMACKMMAP) == 0) { skp = smk_import_entry(value, size); if (!IS_ERR(skp)) isp->smk_mmap = skp; - else - isp->smk_mmap = &smack_known_invalid; } return; @@ -2068,12 +2062,8 @@ static void smack_cred_transfer(struct cred *new, const struct cred *old) static int smack_kernel_act_as(struct cred *new, u32 secid) { struct task_smack *new_tsp = new->security; - struct smack_known *skp = smack_from_secid(secid); - - if (skp == NULL) - return -EINVAL; - new_tsp->smk_task = skp; + new_tsp->smk_task = smack_from_secid(secid); return 0; } @@ -3894,21 +3884,11 @@ static struct smack_known *smack_from_secattr(struct netlbl_lsm_secattr *sap, return &smack_known_web; return &smack_known_star; } - if ((sap->flags & NETLBL_SECATTR_SECID) != 0) { + if ((sap->flags & NETLBL_SECATTR_SECID) != 0) /* * Looks like a fallback, which gives us a secid. */ - skp = smack_from_secid(sap->attr.secid); - /* - * This has got to be a bug because it is - * impossible to specify a fallback without - * specifying the label, which will ensure - * it has a secid, and the only way to get a - * secid is from a fallback. - */ - BUG_ON(skp == NULL); - return skp; - } + return smack_from_secid(sap->attr.secid); /* * Without guidance regarding the smack value * for the packet fall back on the network @@ -4771,7 +4751,6 @@ static __init void init_smack_known_list(void) mutex_init(&smack_known_hat.smk_rules_lock); mutex_init(&smack_known_floor.smk_rules_lock); mutex_init(&smack_known_star.smk_rules_lock); - mutex_init(&smack_known_invalid.smk_rules_lock); mutex_init(&smack_known_web.smk_rules_lock); /* * Initialize rule lists @@ -4780,7 +4759,6 @@ static __init void init_smack_known_list(void) INIT_LIST_HEAD(&smack_known_hat.smk_rules); INIT_LIST_HEAD(&smack_known_star.smk_rules); INIT_LIST_HEAD(&smack_known_floor.smk_rules); - INIT_LIST_HEAD(&smack_known_invalid.smk_rules); INIT_LIST_HEAD(&smack_known_web.smk_rules); /* * Create the known labels list @@ -4789,7 +4767,6 @@ static __init void init_smack_known_list(void) smk_insert_entry(&smack_known_hat); smk_insert_entry(&smack_known_star); smk_insert_entry(&smack_known_floor); - smk_insert_entry(&smack_known_invalid); smk_insert_entry(&smack_known_web); } |