diff options
| author | Jesper Juhl <juhl-lkml@dif.dk> | 2005-06-26 01:58:51 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-26 03:25:00 +0400 |
| commit | 9a5f04bf798254390f89445ecf0b6f4c70ddc1f8 (patch) | |
| tree | ed9aa17d9d980f3f013ccc84e12135c65b51757d /security/selinux | |
| parent | a2ba192c96d12447472e105890a9cd1b97952747 (diff) | |
| download | linux-9a5f04bf798254390f89445ecf0b6f4c70ddc1f8.tar.xz | |
[PATCH] selinux: kfree cleanup
kfree(NULL) is legal.
Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Acked-by: Stephen Smalley <sds@tycho.nsa.gov>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'security/selinux')
| -rw-r--r-- | security/selinux/hooks.c | 3 | ||||
| -rw-r--r-- | security/selinux/selinuxfs.c | 9 | ||||
| -rw-r--r-- | security/selinux/ss/conditional.c | 9 | ||||
| -rw-r--r-- | security/selinux/ss/policydb.c | 15 | ||||
| -rw-r--r-- | security/selinux/ss/services.c | 6 |
5 files changed, 14 insertions, 28 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 932eef18db33..17a1189f1ff8 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1658,9 +1658,8 @@ static int selinux_bprm_secureexec (struct linux_binprm *bprm) static void selinux_bprm_free_security(struct linux_binprm *bprm) { - struct bprm_security_struct *bsec = bprm->security; + kfree(bprm->security); bprm->security = NULL; - kfree(bsec); } extern struct vfsmount *selinuxfs_mount; diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c index 07221568b505..8eb140dd2e4b 100644 --- a/security/selinux/selinuxfs.c +++ b/security/selinux/selinuxfs.c @@ -951,8 +951,7 @@ static int sel_make_bools(void) u32 sid; /* remove any existing files */ - if (bool_pending_values) - kfree(bool_pending_values); + kfree(bool_pending_values); sel_remove_bools(dir); @@ -997,10 +996,8 @@ static int sel_make_bools(void) out: free_page((unsigned long)page); if (names) { - for (i = 0; i < num; i++) { - if (names[i]) - kfree(names[i]); - } + for (i = 0; i < num; i++) + kfree(names[i]); kfree(names); } return ret; diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c index b53441184aca..e2057f5a411a 100644 --- a/security/selinux/ss/conditional.c +++ b/security/selinux/ss/conditional.c @@ -166,16 +166,14 @@ static void cond_list_destroy(struct cond_node *list) void cond_policydb_destroy(struct policydb *p) { - if (p->bool_val_to_struct != NULL) - kfree(p->bool_val_to_struct); + kfree(p->bool_val_to_struct); avtab_destroy(&p->te_cond_avtab); cond_list_destroy(p->cond_list); } int cond_init_bool_indexes(struct policydb *p) { - if (p->bool_val_to_struct) - kfree(p->bool_val_to_struct); + kfree(p->bool_val_to_struct); p->bool_val_to_struct = (struct cond_bool_datum**) kmalloc(p->p_bools.nprim * sizeof(struct cond_bool_datum*), GFP_KERNEL); if (!p->bool_val_to_struct) @@ -185,8 +183,7 @@ int cond_init_bool_indexes(struct policydb *p) int cond_destroy_bool(void *key, void *datum, void *p) { - if (key) - kfree(key); + kfree(key); kfree(datum); return 0; } diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index 14190efbf333..785c33cf4864 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c @@ -590,17 +590,12 @@ void policydb_destroy(struct policydb *p) hashtab_destroy(p->symtab[i].table); } - for (i = 0; i < SYM_NUM; i++) { - if (p->sym_val_to_name[i]) - kfree(p->sym_val_to_name[i]); - } + for (i = 0; i < SYM_NUM; i++) + kfree(p->sym_val_to_name[i]); - if (p->class_val_to_struct) - kfree(p->class_val_to_struct); - if (p->role_val_to_struct) - kfree(p->role_val_to_struct); - if (p->user_val_to_struct) - kfree(p->user_val_to_struct); + kfree(p->class_val_to_struct); + kfree(p->role_val_to_struct); + kfree(p->user_val_to_struct); avtab_destroy(&p->te_avtab); diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c index b6149147d5cb..922bb45054aa 100644 --- a/security/selinux/ss/services.c +++ b/security/selinux/ss/services.c @@ -1705,11 +1705,9 @@ out: err: if (*names) { for (i = 0; i < *len; i++) - if ((*names)[i]) - kfree((*names)[i]); + kfree((*names)[i]); } - if (*values) - kfree(*values); + kfree(*values); goto out; } |