diff options
| -rw-r--r-- | kernel/auditfilter.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c index 35f8fa82bb8b..b85fd8cce11f 100644 --- a/kernel/auditfilter.c +++ b/kernel/auditfilter.c @@ -160,11 +160,17 @@ static struct audit_entry *audit_rule_to_entry(struct audit_rule *rule) f->val = rule->values[i]; entry->rule.vers_ops = (f->op & AUDIT_OPERATORS) ? 2 : 1; + + /* Support for legacy operators where + * AUDIT_NEGATE bit signifies != and otherwise assumes == */ if (f->op & AUDIT_NEGATE) - f->op |= AUDIT_NOT_EQUAL; - else if (!(f->op & AUDIT_OPERATORS)) - f->op |= AUDIT_EQUAL; - f->op &= ~AUDIT_NEGATE; + f->op = AUDIT_NOT_EQUAL; + else if (!f->op) + f->op = AUDIT_EQUAL; + else if (f->op == AUDIT_OPERATORS) { + err = -EINVAL; + goto exit_free; + } } exit_nofree: @@ -533,9 +539,9 @@ int audit_comparator(const u32 left, const u32 op, const u32 right) return (left > right); case AUDIT_GREATER_THAN_OR_EQUAL: return (left >= right); - default: - return -EINVAL; } + BUG(); + return 0; } |