diff --git a/[refs] b/[refs]
index 371997c5655b..54213483e54f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c638830d040696ff2bae07785fd4277e7e3fe7c4
+refs/heads/master: ddca8f3ed36c5d25363dab6762829868af09cb02
diff --git a/trunk/drivers/target/iscsi/iscsi_target_auth.c b/trunk/drivers/target/iscsi/iscsi_target_auth.c
index beb39469e7f1..1cd6ce373b83 100644
--- a/trunk/drivers/target/iscsi/iscsi_target_auth.c
+++ b/trunk/drivers/target/iscsi/iscsi_target_auth.c
@@ -30,9 +30,11 @@
 
 static int chap_string_to_hex(unsigned char *dst, unsigned char *src, int len)
 {
-	int j = DIV_ROUND_UP(len, 2);
+	int j = DIV_ROUND_UP(len, 2), rc;
 
-	hex2bin(dst, src, j);
+	rc = hex2bin(dst, src, j);
+	if (rc < 0)
+		pr_debug("CHAP string contains non hex digit symbols\n");
 
 	dst[j] = '\0';
 	return j;