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selinux: Improve size determinations in four functions 

Replace the specification of data structures by pointer dereferences
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Markus Elfring 2017-01-14 11:22:12 +01:00 committed by Paul Moore
parent e34cfef901
commit fb13a312da
1 changed files with 4 additions and 4 deletions
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8
security/selinux/ss/conditional.c
View File

@ -227,7 +227,7 @@ int cond_read_bool(struct policydb *p, struct hashtab *h, void *fp)
u32 len;
int rc;
booldatum = kzalloc(sizeof(struct cond_bool_datum), GFP_KERNEL);
booldatum = kzalloc(sizeof(*booldatum), GFP_KERNEL);
if (!booldatum)
return -ENOMEM;
@ -332,7 +332,7 @@ static int cond_insertf(struct avtab *a, struct avtab_key *k, struct avtab_datum
goto err;
}
list = kzalloc(sizeof(struct cond_av_list), GFP_KERNEL);
list = kzalloc(sizeof(*list), GFP_KERNEL);
if (!list) {
rc = -ENOMEM;
goto err;
@ -421,7 +421,7 @@ static int cond_read_node(struct policydb *p, struct cond_node *node, void *fp)
goto err;
rc = -ENOMEM;
expr = kzalloc(sizeof(struct cond_expr), GFP_KERNEL);
expr = kzalloc(sizeof(*expr), GFP_KERNEL);
if (!expr)
goto err;
@ -472,7 +472,7 @@ int cond_read_list(struct policydb *p, void *fp)
for (i = 0; i < len; i++) {
rc = -ENOMEM;
node = kzalloc(sizeof(struct cond_node), GFP_KERNEL);
node = kzalloc(sizeof(*node), GFP_KERNEL);
if (!node)
goto err;