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selinux: do not allocate hashtabs dynamically

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It is simpler to allocate them statically in the corresponding
structure, avoiding unnecessary kmalloc() calls and pointer
dereferencing.

Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
[PM: manual merging required in policydb.c]
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Ondrej Mosnacek
2020-04-28 14:55:12 +02:00
committed by Paul Moore
parent 46619b44e4
commit 03414a49ad
8 changed files with 116 additions and 146 deletions
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6
security/selinux/ss/policydb.h
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@@ -263,13 +263,13 @@ struct policydb {
struct avtab te_avtab;
/* role transitions */
struct hashtab *role_tr;
struct hashtab role_tr;
/* file transitions with the last path component */
/* quickly exclude lookups when parent ttype has no rules */
struct ebitmap filename_trans_ttypes;
/* actual set of filename_trans rules */
struct hashtab *filename_trans;
struct hashtab filename_trans;
/* only used if policyvers < POLICYDB_VERSION_COMP_FTRANS */
u32 compat_filename_trans_count;
@@ -294,7 +294,7 @@ struct policydb {
struct genfs *genfs;
/* range transitions table (range_trans_key -> mls_range) */
struct hashtab *range_tr;
struct hashtab range_tr;
/* type -> attribute reverse mapping */
struct ebitmap *type_attr_map_array;