[PATCH v2 4/9] selinux: avoid implicit conversions in mls code

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Use u32 for ebitmap bits.

Use char for the default range of a class.

Signed-off-by: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
---
v2: avoid declarations in init-clauses of for loops
---
 security/selinux/ss/mls.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c
index b2c6c846ea03..cd38f5913b63 100644
--- a/security/selinux/ss/mls.c
+++ b/security/selinux/ss/mls.c
@@ -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;
-- 
2.40.1




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