Check for NULL

diff --git a/src/modules/rlm_expr/paircmp.c b/src/modules/rlm_expr/paircmp.c
index fee7525886eb2fe066be2fbb65a4c642e2b05572..cec1e54659129ae1b0290aef509e37a3002d49cb 100644 (file)
--- a/src/modules/rlm_expr/paircmp.c
+++ b/src/modules/rlm_expr/paircmp.c
@@ -113,11 +113,15 @@ static int presufcmp(UNUSED void *instance,
                     VALUE_PAIR *check_pairs, UNUSED VALUE_PAIR **reply_pairs)
 {
        VALUE_PAIR *vp;
-       char *name = request->vp_strvalue;
+       char *name;
        char rest[MAX_STRING_LEN];
        int len, namelen;
        int ret = -1;
 
+       if (!request) return -1;
+
+       name = request->vp_strvalue;
+
 #if 0 /* DEBUG */
        printf("Comparing %s and %s, check->attr is %d\n",
                name, check->vp_strvalue, check->attribute);