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Diffstat (limited to 'security/selinux/ss')
-rw-r--r--security/selinux/ss/conditional.c12
-rw-r--r--security/selinux/ss/ebitmap.c9
-rw-r--r--security/selinux/ss/hashtab.c6
-rw-r--r--security/selinux/ss/policydb.c51
-rw-r--r--security/selinux/ss/services.c11
5 files changed, 30 insertions, 59 deletions
diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c
index daf28800746..d2737edba54 100644
--- a/security/selinux/ss/conditional.c
+++ b/security/selinux/ss/conditional.c
@@ -220,10 +220,9 @@ int cond_read_bool(struct policydb *p, struct hashtab *h, void *fp)
u32 len;
int rc;
- booldatum = kmalloc(sizeof(struct cond_bool_datum), GFP_KERNEL);
+ booldatum = kzalloc(sizeof(struct cond_bool_datum), GFP_KERNEL);
if (!booldatum)
return -1;
- memset(booldatum, 0, sizeof(struct cond_bool_datum));
rc = next_entry(buf, fp, sizeof buf);
if (rc < 0)
@@ -321,10 +320,9 @@ static int cond_insertf(struct avtab *a, struct avtab_key *k, struct avtab_datum
goto err;
}
- list = kmalloc(sizeof(struct cond_av_list), GFP_KERNEL);
+ list = kzalloc(sizeof(struct cond_av_list), GFP_KERNEL);
if (!list)
goto err;
- memset(list, 0, sizeof(*list));
list->node = node_ptr;
if (!data->head)
@@ -414,11 +412,10 @@ static int cond_read_node(struct policydb *p, struct cond_node *node, void *fp)
if (rc < 0)
goto err;
- expr = kmalloc(sizeof(struct cond_expr), GFP_KERNEL);
+ expr = kzalloc(sizeof(struct cond_expr), GFP_KERNEL);
if (!expr) {
goto err;
}
- memset(expr, 0, sizeof(struct cond_expr));
expr->expr_type = le32_to_cpu(buf[0]);
expr->bool = le32_to_cpu(buf[1]);
@@ -460,10 +457,9 @@ int cond_read_list(struct policydb *p, void *fp)
len = le32_to_cpu(buf[0]);
for (i = 0; i < len; i++) {
- node = kmalloc(sizeof(struct cond_node), GFP_KERNEL);
+ node = kzalloc(sizeof(struct cond_node), GFP_KERNEL);
if (!node)
goto err;
- memset(node, 0, sizeof(struct cond_node));
if (cond_read_node(p, node, fp) != 0)
goto err;
diff --git a/security/selinux/ss/ebitmap.c b/security/selinux/ss/ebitmap.c
index d515154128c..47024a6e184 100644
--- a/security/selinux/ss/ebitmap.c
+++ b/security/selinux/ss/ebitmap.c
@@ -39,12 +39,11 @@ int ebitmap_cpy(struct ebitmap *dst, struct ebitmap *src)
n = src->node;
prev = NULL;
while (n) {
- new = kmalloc(sizeof(*new), GFP_ATOMIC);
+ new = kzalloc(sizeof(*new), GFP_ATOMIC);
if (!new) {
ebitmap_destroy(dst);
return -ENOMEM;
}
- memset(new, 0, sizeof(*new));
new->startbit = n->startbit;
new->map = n->map;
new->next = NULL;
@@ -150,10 +149,9 @@ int ebitmap_set_bit(struct ebitmap *e, unsigned long bit, int value)
if (!value)
return 0;
- new = kmalloc(sizeof(*new), GFP_ATOMIC);
+ new = kzalloc(sizeof(*new), GFP_ATOMIC);
if (!new)
return -ENOMEM;
- memset(new, 0, sizeof(*new));
new->startbit = bit & ~(MAPSIZE - 1);
new->map = (MAPBIT << (bit - new->startbit));
@@ -232,13 +230,12 @@ int ebitmap_read(struct ebitmap *e, void *fp)
printk(KERN_ERR "security: ebitmap: truncated map\n");
goto bad;
}
- n = kmalloc(sizeof(*n), GFP_KERNEL);
+ n = kzalloc(sizeof(*n), GFP_KERNEL);
if (!n) {
printk(KERN_ERR "security: ebitmap: out of memory\n");
rc = -ENOMEM;
goto bad;
}
- memset(n, 0, sizeof(*n));
n->startbit = le32_to_cpu(buf[0]);
diff --git a/security/selinux/ss/hashtab.c b/security/selinux/ss/hashtab.c
index 26661fcc00c..24e5ec95763 100644
--- a/security/selinux/ss/hashtab.c
+++ b/security/selinux/ss/hashtab.c
@@ -15,11 +15,10 @@ struct hashtab *hashtab_create(u32 (*hash_value)(struct hashtab *h, void *key),
struct hashtab *p;
u32 i;
- p = kmalloc(sizeof(*p), GFP_KERNEL);
+ p = kzalloc(sizeof(*p), GFP_KERNEL);
if (p == NULL)
return p;
- memset(p, 0, sizeof(*p));
p->size = size;
p->nel = 0;
p->hash_value = hash_value;
@@ -55,10 +54,9 @@ int hashtab_insert(struct hashtab *h, void *key, void *datum)
if (cur && (h->keycmp(h, key, cur->key) == 0))
return -EEXIST;
- newnode = kmalloc(sizeof(*newnode), GFP_KERNEL);
+ newnode = kzalloc(sizeof(*newnode), GFP_KERNEL);
if (newnode == NULL)
return -ENOMEM;
- memset(newnode, 0, sizeof(*newnode));
newnode->key = key;
newnode->datum = datum;
if (prev) {
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index 8e6262d12aa..2f5f539875f 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -121,12 +121,11 @@ static int roles_init(struct policydb *p)
int rc;
struct role_datum *role;
- role = kmalloc(sizeof(*role), GFP_KERNEL);
+ role = kzalloc(sizeof(*role), GFP_KERNEL);
if (!role) {
rc = -ENOMEM;
goto out;
}
- memset(role, 0, sizeof(*role));
role->value = ++p->p_roles.nprim;
if (role->value != OBJECT_R_VAL) {
rc = -EINVAL;
@@ -851,12 +850,11 @@ static int perm_read(struct policydb *p, struct hashtab *h, void *fp)
__le32 buf[2];
u32 len;
- perdatum = kmalloc(sizeof(*perdatum), GFP_KERNEL);
+ perdatum = kzalloc(sizeof(*perdatum), GFP_KERNEL);
if (!perdatum) {
rc = -ENOMEM;
goto out;
}
- memset(perdatum, 0, sizeof(*perdatum));
rc = next_entry(buf, fp, sizeof buf);
if (rc < 0)
@@ -893,12 +891,11 @@ static int common_read(struct policydb *p, struct hashtab *h, void *fp)
u32 len, nel;
int i, rc;
- comdatum = kmalloc(sizeof(*comdatum), GFP_KERNEL);
+ comdatum = kzalloc(sizeof(*comdatum), GFP_KERNEL);
if (!comdatum) {
rc = -ENOMEM;
goto out;
}
- memset(comdatum, 0, sizeof(*comdatum));
rc = next_entry(buf, fp, sizeof buf);
if (rc < 0)
@@ -950,10 +947,9 @@ static int read_cons_helper(struct constraint_node **nodep, int ncons,
lc = NULL;
for (i = 0; i < ncons; i++) {
- c = kmalloc(sizeof(*c), GFP_KERNEL);
+ c = kzalloc(sizeof(*c), GFP_KERNEL);
if (!c)
return -ENOMEM;
- memset(c, 0, sizeof(*c));
if (lc) {
lc->next = c;
@@ -969,10 +965,9 @@ static int read_cons_helper(struct constraint_node **nodep, int ncons,
le = NULL;
depth = -1;
for (j = 0; j < nexpr; j++) {
- e = kmalloc(sizeof(*e), GFP_KERNEL);
+ e = kzalloc(sizeof(*e), GFP_KERNEL);
if (!e)
return -ENOMEM;
- memset(e, 0, sizeof(*e));
if (le) {
le->next = e;
@@ -1033,12 +1028,11 @@ static int class_read(struct policydb *p, struct hashtab *h, void *fp)
u32 len, len2, ncons, nel;
int i, rc;
- cladatum = kmalloc(sizeof(*cladatum), GFP_KERNEL);
+ cladatum = kzalloc(sizeof(*cladatum), GFP_KERNEL);
if (!cladatum) {
rc = -ENOMEM;
goto out;
}
- memset(cladatum, 0, sizeof(*cladatum));
rc = next_entry(buf, fp, sizeof(u32)*6);
if (rc < 0)
@@ -1127,12 +1121,11 @@ static int role_read(struct policydb *p, struct hashtab *h, void *fp)
__le32 buf[2];
u32 len;
- role = kmalloc(sizeof(*role), GFP_KERNEL);
+ role = kzalloc(sizeof(*role), GFP_KERNEL);
if (!role) {
rc = -ENOMEM;
goto out;
}
- memset(role, 0, sizeof(*role));
rc = next_entry(buf, fp, sizeof buf);
if (rc < 0)
@@ -1188,12 +1181,11 @@ static int type_read(struct policydb *p, struct hashtab *h, void *fp)
__le32 buf[3];
u32 len;
- typdatum = kmalloc(sizeof(*typdatum),GFP_KERNEL);
+ typdatum = kzalloc(sizeof(*typdatum),GFP_KERNEL);
if (!typdatum) {
rc = -ENOMEM;
return rc;
}
- memset(typdatum, 0, sizeof(*typdatum));
rc = next_entry(buf, fp, sizeof buf);
if (rc < 0)
@@ -1261,12 +1253,11 @@ static int user_read(struct policydb *p, struct hashtab *h, void *fp)
__le32 buf[2];
u32 len;
- usrdatum = kmalloc(sizeof(*usrdatum), GFP_KERNEL);
+ usrdatum = kzalloc(sizeof(*usrdatum), GFP_KERNEL);
if (!usrdatum) {
rc = -ENOMEM;
goto out;
}
- memset(usrdatum, 0, sizeof(*usrdatum));
rc = next_entry(buf, fp, sizeof buf);
if (rc < 0)
@@ -1316,12 +1307,11 @@ static int sens_read(struct policydb *p, struct hashtab *h, void *fp)
__le32 buf[2];
u32 len;
- levdatum = kmalloc(sizeof(*levdatum), GFP_ATOMIC);
+ levdatum = kzalloc(sizeof(*levdatum), GFP_ATOMIC);
if (!levdatum) {
rc = -ENOMEM;
goto out;
}
- memset(levdatum, 0, sizeof(*levdatum));
rc = next_entry(buf, fp, sizeof buf);
if (rc < 0)
@@ -1368,12 +1358,11 @@ static int cat_read(struct policydb *p, struct hashtab *h, void *fp)
__le32 buf[3];
u32 len;
- catdatum = kmalloc(sizeof(*catdatum), GFP_ATOMIC);
+ catdatum = kzalloc(sizeof(*catdatum), GFP_ATOMIC);
if (!catdatum) {
rc = -ENOMEM;
goto out;
}
- memset(catdatum, 0, sizeof(*catdatum));
rc = next_entry(buf, fp, sizeof buf);
if (rc < 0)
@@ -1567,12 +1556,11 @@ int policydb_read(struct policydb *p, void *fp)
nel = le32_to_cpu(buf[0]);
ltr = NULL;
for (i = 0; i < nel; i++) {
- tr = kmalloc(sizeof(*tr), GFP_KERNEL);
+ tr = kzalloc(sizeof(*tr), GFP_KERNEL);
if (!tr) {
rc = -ENOMEM;
goto bad;
}
- memset(tr, 0, sizeof(*tr));
if (ltr) {
ltr->next = tr;
} else {
@@ -1593,12 +1581,11 @@ int policydb_read(struct policydb *p, void *fp)
nel = le32_to_cpu(buf[0]);
lra = NULL;
for (i = 0; i < nel; i++) {
- ra = kmalloc(sizeof(*ra), GFP_KERNEL);
+ ra = kzalloc(sizeof(*ra), GFP_KERNEL);
if (!ra) {
rc = -ENOMEM;
goto bad;
}
- memset(ra, 0, sizeof(*ra));
if (lra) {
lra->next = ra;
} else {
@@ -1627,12 +1614,11 @@ int policydb_read(struct policydb *p, void *fp)
nel = le32_to_cpu(buf[0]);
l = NULL;
for (j = 0; j < nel; j++) {
- c = kmalloc(sizeof(*c), GFP_KERNEL);
+ c = kzalloc(sizeof(*c), GFP_KERNEL);
if (!c) {
rc = -ENOMEM;
goto bad;
}
- memset(c, 0, sizeof(*c));
if (l) {
l->next = c;
} else {
@@ -1743,12 +1729,11 @@ int policydb_read(struct policydb *p, void *fp)
if (rc < 0)
goto bad;
len = le32_to_cpu(buf[0]);
- newgenfs = kmalloc(sizeof(*newgenfs), GFP_KERNEL);
+ newgenfs = kzalloc(sizeof(*newgenfs), GFP_KERNEL);
if (!newgenfs) {
rc = -ENOMEM;
goto bad;
}
- memset(newgenfs, 0, sizeof(*newgenfs));
newgenfs->fstype = kmalloc(len + 1,GFP_KERNEL);
if (!newgenfs->fstype) {
@@ -1790,12 +1775,11 @@ int policydb_read(struct policydb *p, void *fp)
goto bad;
len = le32_to_cpu(buf[0]);
- newc = kmalloc(sizeof(*newc), GFP_KERNEL);
+ newc = kzalloc(sizeof(*newc), GFP_KERNEL);
if (!newc) {
rc = -ENOMEM;
goto bad;
}
- memset(newc, 0, sizeof(*newc));
newc->u.name = kmalloc(len + 1,GFP_KERNEL);
if (!newc->u.name) {
@@ -1843,12 +1827,11 @@ int policydb_read(struct policydb *p, void *fp)
nel = le32_to_cpu(buf[0]);
lrt = NULL;
for (i = 0; i < nel; i++) {
- rt = kmalloc(sizeof(*rt), GFP_KERNEL);
+ rt = kzalloc(sizeof(*rt), GFP_KERNEL);
if (!rt) {
rc = -ENOMEM;
goto bad;
}
- memset(rt, 0, sizeof(*rt));
if (lrt)
lrt->next = rt;
else
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index aecdded55e7..44eb4d74908 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -1531,12 +1531,11 @@ int security_get_user_sids(u32 fromsid,
}
usercon.user = user->value;
- mysids = kmalloc(maxnel*sizeof(*mysids), GFP_ATOMIC);
+ mysids = kcalloc(maxnel, sizeof(*mysids), GFP_ATOMIC);
if (!mysids) {
rc = -ENOMEM;
goto out_unlock;
}
- memset(mysids, 0, maxnel*sizeof(*mysids));
ebitmap_for_each_bit(&user->roles, rnode, i) {
if (!ebitmap_node_get_bit(rnode, i))
@@ -1566,13 +1565,12 @@ int security_get_user_sids(u32 fromsid,
mysids[mynel++] = sid;
} else {
maxnel += SIDS_NEL;
- mysids2 = kmalloc(maxnel*sizeof(*mysids2), GFP_ATOMIC);
+ mysids2 = kcalloc(maxnel, sizeof(*mysids2), GFP_ATOMIC);
if (!mysids2) {
rc = -ENOMEM;
kfree(mysids);
goto out_unlock;
}
- memset(mysids2, 0, maxnel*sizeof(*mysids2));
memcpy(mysids2, mysids, mynel * sizeof(*mysids2));
kfree(mysids);
mysids = mysids2;
@@ -1714,12 +1712,11 @@ int security_get_bools(int *len, char ***names, int **values)
goto out;
}
- *names = (char**)kmalloc(sizeof(char*) * *len, GFP_ATOMIC);
+ *names = (char**)kcalloc(*len, sizeof(char*), GFP_ATOMIC);
if (!*names)
goto err;
- memset(*names, 0, sizeof(char*) * *len);
- *values = (int*)kmalloc(sizeof(int) * *len, GFP_ATOMIC);
+ *values = (int*)kcalloc(*len, sizeof(int), GFP_ATOMIC);
if (!*values)
goto err;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 18:40:56 +0000