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selinux: Return directly after a failed memory allocation in policydb_index()

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Replace five goto statements (and previous variable assignments) by
direct returns after a memory allocation failure in this function.

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 2017-04-04 10:20:46 +02:00 committed by Paul Moore
parent a79be23860
commit 62934ffb9e
1 changed files with 5 additions and 10 deletions
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15
security/selinux/ss/policydb.c
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@ -538,34 +538,30 @@ static int policydb_index(struct policydb *p)
symtab_hash_eval(p->symtab);
#endif
rc = -ENOMEM;
p->class_val_to_struct = kcalloc(p->p_classes.nprim,
sizeof(*p->class_val_to_struct),
GFP_KERNEL);
if (!p->class_val_to_struct)
goto out;
return -ENOMEM;
rc = -ENOMEM;
p->role_val_to_struct = kcalloc(p->p_roles.nprim,
sizeof(*p->role_val_to_struct),
GFP_KERNEL);
if (!p->role_val_to_struct)
goto out;
return -ENOMEM;
rc = -ENOMEM;
p->user_val_to_struct = kcalloc(p->p_users.nprim,
sizeof(*p->user_val_to_struct),
GFP_KERNEL);
if (!p->user_val_to_struct)
goto out;
return -ENOMEM;
/* Yes, I want the sizeof the pointer, not the structure */
rc = -ENOMEM;
p->type_val_to_struct_array = flex_array_alloc(sizeof(struct type_datum *),
p->p_types.nprim,
GFP_KERNEL | __GFP_ZERO);
if (!p->type_val_to_struct_array)
goto out;
return -ENOMEM;
rc = flex_array_prealloc(p->type_val_to_struct_array, 0,
p->p_types.nprim, GFP_KERNEL | __GFP_ZERO);
@ -577,12 +573,11 @@ static int policydb_index(struct policydb *p)
goto out;
for (i = 0; i < SYM_NUM; i++) {
rc = -ENOMEM;
p->sym_val_to_name[i] = flex_array_alloc(sizeof(char *),
p->symtab[i].nprim,
GFP_KERNEL | __GFP_ZERO);
if (!p->sym_val_to_name[i])
goto out;
return -ENOMEM;
rc = flex_array_prealloc(p->sym_val_to_name[i],
0, p->symtab[i].nprim,