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selinux: avoid implicit conversions in mls code

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Use u32 for ebitmap bits and sensitivity levels, char for the default
range of a class.

Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
[PM: description tweaks]
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Christian Göttsche 2023-07-28 17:54:54 +02:00 committed by Paul Moore
parent c17c55c2d1
commit fd5a90ff1e
1 changed files with 6 additions and 4 deletions
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10
security/selinux/ss/mls.c
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@ -45,7 +45,7 @@ int mls_compute_context_len(struct policydb *p, struct context *context)
len = 1; /* for the beginning ":" */
for (l = 0; l < 2; l++) {
int index_sens = context->range.level[l].sens;
u32 index_sens = context->range.level[l].sens;
len += strlen(sym_name(p, SYM_LEVELS, index_sens - 1));
/* categories */
@ -240,7 +240,8 @@ int mls_context_to_sid(struct policydb *pol,
char *sensitivity, *cur_cat, *next_cat, *rngptr;
struct level_datum *levdatum;
struct cat_datum *catdatum, *rngdatum;
int l, rc, i;
u32 i;
int l, rc;
char *rangep[2];
if (!pol->mls_enabled) {
@ -451,7 +452,8 @@ int mls_convert_context(struct policydb *oldp,
struct level_datum *levdatum;
struct cat_datum *catdatum;
struct ebitmap_node *node;
int l, i;
u32 i;
int l;
if (!oldp->mls_enabled || !newp->mls_enabled)
return 0;
@ -495,7 +497,7 @@ int mls_compute_sid(struct policydb *p,
struct range_trans rtr;
struct mls_range *r;
struct class_datum *cladatum;
int default_range = 0;
char default_range = 0;
if (!p->mls_enabled)
return 0;