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selinux: convert to kvmalloc

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The flex arrays were being used for constant sized arrays, so there's no
benefit to using flex_arrays over something simpler.

Link: http://lkml.kernel.org/r/20181217131929.11727-4-kent.overstreet@gmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Cc: Paul Moore <paul@paul-moore.com>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: Eric Paris <eparis@parisplace.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: Pravin B Shelar <pshelar@ovn.org>
Cc: Shaohua Li <shli@kernel.org>
Cc: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Kent Overstreet
2019-03-11 23:31:10 -07:00
committed by Linus Torvalds
parent b330e6a49d
commit acdf52d97f
6 changed files with 62 additions and 144 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
security/selinux/ss/policydb.h
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@@ -24,8 +24,6 @@
#ifndef _SS_POLICYDB_H_
#define _SS_POLICYDB_H_
#include <linux/flex_array.h>
#include "symtab.h"
#include "avtab.h"
#include "sidtab.h"
@@ -251,13 +249,13 @@ struct policydb {
#define p_cats symtab[SYM_CATS]
/* symbol names indexed by (value - 1) */
struct flex_array *sym_val_to_name[SYM_NUM];
char **sym_val_to_name[SYM_NUM];
/* class, role, and user attributes indexed by (value - 1) */
struct class_datum **class_val_to_struct;
struct role_datum **role_val_to_struct;
struct user_datum **user_val_to_struct;
struct flex_array *type_val_to_struct_array;
struct type_datum **type_val_to_struct_array;
/* type enforcement access vectors and transitions */
struct avtab te_avtab;
@@ -294,7 +292,7 @@ struct policydb {
struct hashtab *range_tr;
/* type -> attribute reverse mapping */
struct flex_array *type_attr_map_array;
struct ebitmap *type_attr_map_array;
struct ebitmap policycaps;
@@ -369,9 +367,7 @@ static inline int put_entry(const void *buf, size_t bytes, int num, struct polic
static inline char *sym_name(struct policydb *p, unsigned int sym_num, unsigned int element_nr)
{
struct flex_array *fa = p->sym_val_to_name[sym_num];
return flex_array_get_ptr(fa, element_nr);
return p->sym_val_to_name[sym_num][element_nr];
}
extern u16 string_to_security_class(struct policydb *p, const char *name);