[PATCH 1/3] selinux: Return directly after a failed memory allocation in policydb_index()
From: paul@paul-moore.com (Paul Moore)
Date: 2017-05-16 18:28:35
Also in:
kernel-janitors, lkml, selinux
On Tue, Apr 4, 2017 at 7:12 AM, SF Markus Elfring [off-list ref] wrote:
From: Markus Elfring <redacted> Date: Tue, 4 Apr 2017 10:20:46 +0200 Replace five goto statements (and previous variable assignments) by direct returns after a memory allocation failure in this function. Signed-off-by: Markus Elfring <redacted> --- security/selinux/ss/policydb.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-)
Merged.
quoted hunk ↗ jump to hunk
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c index 0080122760ad..87d645d3a39f 100644 --- a/security/selinux/ss/policydb.c +++ b/security/selinux/ss/policydb.c@@ -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, --2.12.2
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