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Diffstat (limited to 'sys/security/mac_mls/mac_mls.c')
-rw-r--r--sys/security/mac_mls/mac_mls.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/sys/security/mac_mls/mac_mls.c b/sys/security/mac_mls/mac_mls.c
index 6501f9c..bd595b5 100644
--- a/sys/security/mac_mls/mac_mls.c
+++ b/sys/security/mac_mls/mac_mls.c
@@ -672,14 +672,12 @@ mac_mls_parse_element(struct mac_mls_element *element, char *string)
static int
mac_mls_parse(struct mac_mls *mac_mls, char *string)
{
- char *range, *rangeend, *rangehigh, *rangelow, *single;
+ char *rangehigh, *rangelow, *single;
int error;
single = strsep(&string, "(");
- if (string == NULL) {
- string = single;
+ if (*single == '\0')
single = NULL;
- }
if (string != NULL) {
rangelow = strsep(&string, "-");
@@ -690,6 +688,9 @@ mac_mls_parse(struct mac_mls *mac_mls, char *string)
return (EINVAL);
if (*string != '\0')
return (EINVAL);
+ } else {
+ rangelow = NULL;
+ rangehigh = NULL;
}
KASSERT((rangelow != NULL && rangehigh != NULL) ||
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