From: William Roberts <[email protected]>
Signed-off-by: William Roberts <[email protected]>
---
libsepol/src/mls.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/libsepol/src/mls.c b/libsepol/src/mls.c
index 1e84bb7..2dc5f2b 100644
--- a/libsepol/src/mls.c
+++ b/libsepol/src/mls.c
@@ -262,6 +262,7 @@ int mls_context_isvalid(const policydb_t * p, const
context_struct_t * c)
user_datum_t *usrdatum;
unsigned int i, l;
ebitmap_node_t *cnode;
+ hashtab_key_t key;
if (!p->mls)
return 1;
@@ -279,11 +280,12 @@ int mls_context_isvalid(const policydb_t * p, const
context_struct_t * c)
if (!c->range.level[l].sens
|| c->range.level[l].sens > p->p_levels.nprim)
return 0;
- levdatum = (level_datum_t *) hashtab_search(p->p_levels.table,
- p->
- p_sens_val_to_name
- [c->range.level[l].
- sens - 1]);
+
+ key = p->p_sens_val_to_name[c->range.level[l].sens - 1];
+ if (!key)
+ return 0;
+
+ levdatum = (level_datum_t *) hashtab_search(p->p_levels.table,
key);
if (!levdatum)
return 0;
--
1.9.1
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