X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Fchap-new.c;h=10e4507386e277fbdb6413e46bdd80f61a0b783f;hb=c3120199a30977a4da12fd031c1df4a95dec417a;hp=fab82800a7b33950935c8b13a1be41a0982b45dd;hpb=ace9c1c9bd73b7ed5777ec5b066ac61ba4ab2079;p=ppp.git

diff --git a/pppd/chap-new.c b/pppd/chap-new.c
index fab8280..10e4507 100644
--- a/pppd/chap-new.c
+++ b/pppd/chap-new.c
@@ -166,6 +166,18 @@ chap_register_digest(struct chap_digest_type *dp)
 	chap_digests = dp;
 }
 
+/*
+ * Lookup a digest type by code
+ */
+struct chap_digest_type *
+chap_find_digest(int digest_code) {
+	struct chap_digest_type *dp = NULL;
+	for (dp = chap_digests; dp != NULL; dp = dp->next)
+		if (dp->code == digest_code)
+			break;
+	return dp;
+}
+
 /*
  * chap_lowerup - we can start doing stuff now.
  */
@@ -210,9 +222,8 @@ chap_auth_peer(int unit, char *our_name, int digest_code)
 		error("CHAP: peer authentication already started!");
 		return;
 	}
-	for (dp = chap_digests; dp != NULL; dp = dp->next)
-		if (dp->code == digest_code)
-			break;
+
+	dp = chap_find_digest(digest_code);
 	if (dp == NULL)
 		fatal("CHAP digest 0x%x requested but not available",
 		      digest_code);